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2003 Acura MDX

Problems, recalls and owner-reported issues

Power train is the leading concern among 212 owner complaints filed for this model year. This is the 6th highest complaint count among 24 MDX model years with reports.

Complaints by model year
  3. 212

Of the 2003 reports, 13 involved a crash and 5 involved a fire. 13 people were injured.

Primary concernPower train104 reports · 49% of complaints
Owner complaints212Filed with NHTSA
Recall relationship13 safety recallsNHTSA campaign records

What owners report most often

  1. Power train104
  2. Air bags44
  3. Electrical system18
  4. Engine and engine cooling16
  5. Seat belts12
  6. Engine10
  7. Service brakes10
  8. Other or unspecified10

Recalls and investigations

  1. Vehicle speed control, accelerator pedalOct 10, 2019

    Dorman Products, Inc. (Dorman) is recalling certain Accelerator Pedal Assemblies part numbers 699-114 and 825-5029-1, sold as replacement parts for 2003-2006 Acura MDX, 2004-2008 Acura TL and TSX, 2003-2007 Honda Accord, 2005-2006 Honda CR-V, 2007-2011 Honda Element, 2005-2008 Honda Pilot and 2006-2014 Honda Ridgeline vehicles. The rotating portion of the accelerator pedal assembly may bind. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 124, "Accelerator Control Systems."

    If the accelerator pedal binds, the engine may not quickly return to idle after the pedal is no longer pressed, increasing the risk of a crash.

    Dorman will notify owners, and qualified service facilities will replace the affected accelerator pedal assemblies, free of charge. The recall began December 9, 2019. Owners may contact Dorman customer service at 1-800-523-2492, using option 5. Dorman's number for this recall is AS1019XXXX.

    Campaign 19E068000 on NHTSA.gov

  2. Air bags, frontal, passenger side, inflator moduleJun 27, 2019

    Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2011 Element, 2007-2008 Fit, 2002-2004 Odyssey, 2003-2008 Pilot, and 2006-2014 Ridgeline vehicles. The vehicles are equipped with passenger frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

    An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the passenger frontal airbag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are E5D and X5C.

    Campaign 19V501000 on NHTSA.gov

  3. Air bags, frontal, driver side, inflator moduleJun 27, 2019

    Honda (American Honda Motor Co.) is recalling certain 2003 Acura 3.2CL, 2002-2003 3.2TL, 2003-2006 MDX, 2001-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2011 Element, 2002-2004 Odyssey, 2003-2008 Pilot and 2006 Ridgeline vehicles. These vehicles are equipped with driver frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

    An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of charge. The recall began August 12, 2019. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are Q5A and Y58.

    Campaign 19V499000 on NHTSA.gov

  4. Air bags, frontal, driver side, inflator moduleMar 6, 2019

    Honda (American Honda Motor Co.) is recalling specific 2003 Acura 3.2CL, 2013-2016 ILX, 2013-2014 ILX Hybrid, 2003-2006 MDX, 2007-2016 RDX, 2002-2003 3.2TL, 2004-2006, and 2009-2014 TL, 2010-2013 ZDX and 2001-2007 and 2009 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2007 and 2010-2011 CR-V, 2003-2011 Element, 2007 Fit, 2002-2004 Odyssey, 2003-2008 Pilot, and 2006-2014 Ridgeline vehicles. The affected vehicles received a replacement driver air bag inflator as part of a previous Takata inflator recall remedy or a replacement driver air bag module containing the same inflator type as a service part. Due to a manufacturing error, in the event of a crash necessitating deployment of the driver frontal air bag, these inflators may explode.

    An explosion of an inflator within the driver frontal air bag module may result in sharp metal fragments striking the driver, front seat passenger or other occupants resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the driver's air bag inflator with an alternate inflator, free of charge. The recall began April 10, 2019. Honda owners may contact customer service at 1-888-234-2138. Honda's number for this recall is O41. Acura owners may contact customer service at 1-888-234-2138. Acura's number for this recall is U40.

    Campaign 19V182000 on NHTSA.gov

  5. Air bags, frontal, passenger side, inflator moduleMay 23, 2016

    Honda (American Honda Motor Co.) is recalling certain model year 2003-2006 Acura MDX, 2005-2011 Acura RL, 2005-2006 Honda CR-V, 2003-2011 Element, 2007-2008 Fit, 2003-2008 Pilot, 2002-2004 Odyssey, and 2006-2011 Ridgeline vehicles originally sold, or that have ever been registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Honda is recalling certain model year 2003-2006 Acura MDX, 2005-2008 Acura RL, 2005-2006 Honda CR-V, 2003-2008 Element, 2007-2008 Fit, 2003-2008 Pilot, 2002-2004 Odyssey, and 2006-2008 Ridgeline vehicles originally sold, or that have ever been registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Honda is recalling model year 2002-2004 Odyssey and model year 2003-2004 Acura MDX, Honda Element, and Honda Pilot vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

    An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began June 27, 2016. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KA0, KA1, KA2, and KA3.

    Campaign 16V344000 on NHTSA.gov

  6. Air bags, frontal, passenger side, inflator moduleJun 15, 2015

    Honda (American Honda Motor Co.) is recalling certain model year 2001-2005 Honda Civic vehicles manufactured March 21, 2000, to January 20, 2005, 2001-2004 Honda Civic GX vehicles manufactured June 14, 2000, to August 19, 2004, 2003-2005 Honda Civic Hybrid vehicles manufactured February 24, 2002, to January 18, 2005, 2003-2007 Honda Accord vehicles manufactured February 21, 2002, to August 28, 2007, 2002-2004 Honda CR-V vehicles, 2002-2003 Honda Odyssey vehicles manufactured June 19, 2001, to July 12, 2003, 2003 Acura MDX vehicles manufactured September 19, 2002, to June 19, 2003, 2003 Honda Element vehicles manufactured June 25, 2002, to July 31, 2003, and 2003 Honda Pilot vehicles manufactured November 26, 2001, to August 21, 2003. The affected vehicles have a passenger side frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture upon its deployment.

    In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking the passenger seat occupant or other occupants possibly causing serious injury or death.

    Honda will notify owners, and dealers will replace the passenger air bag inflator, free of charge. The recall began on July 1, 2015. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are JU4, JU5, JU6, and JU7. Note: Vehicles that have already received a replacement passenger air bag inflator as part of the recall remedy for an earlier campaign such as 14V353 or 14V700 (Honda recall numbers S95, JH6, JH7, JH8, JH9, JJ0, JJ1, JJ2, JJ6, JM5 and JM6) are not included in this recall. However, this recall does supersede 13V132 and 14V349. Note: On December 18, 2015 Honda informed NHTSA of an expansion of this recall to include certain model year 2004 Honda CR-V vehicles in addition to additional model year 2003 CR-V vehicles.

    Campaign 15V370000 on NHTSA.gov

  7. Air bags, frontal, driver side, inflator moduleMay 28, 2015

    Honda (American Honda Motor Co.) is recalling certain model year 2001-2007 Accord, 2001-2005 Civic, 2001-2004 Honda Civic GX, 2003-2005 Honda Civic Hybrid, 2002-2006 CR-V, 2003-2011 Element, 2002-2004 Odyssey, 2003-2008 Pilot, 2006 Ridgeline, 2003 Acura 3.2CL, 2003-2006 Acura MDX, and 2002-2003 Acura 3.2TL vehicles. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible to moisture intrusion and other factors, including manufacturing variability that, over time, could cause the inflator to rupture.

    In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the driver frontal air bag inflator, free of charge. The recall began on July 1, 2015. Owners may contact Honda customer service at 1-888-234-2138. Owners may contact Acura customer service at 1-800-382-2238, select option 4. Note: Vehicles that have had their driver frontal air bag replaced previously as part of a recall remedy prior to September 12, 2014 need to have their air bag replaced under this recall as well. Vehicles that, on or after September 12, 2014, received a remedy for a prior driver frontal air bag inflator recall already received an inflator of a different design, and therefore are not included in this recall and do not require additional servicing. Note: This recall fully supersedes recalls 08V-593, 09V-259, 10V-041, 11V-260, 14V-351 and 15V-153. Honda's numbers for this recall are JQ9, JR0, JR1, JR2, JR3, JR4, JR5, JR6, JR7, and JR8.

    Campaign 15V320000 on NHTSA.gov

  8. Air bags, frontalJan 28, 2015

    Honda is recalling certain model year 2003-2004 Honda Odyssey vehicles manufactured February 13, 2002, to August 13, 2004, and 2003 Acura MDX vehicles manufactured February 21, 2002, to September 23, 2003. Due to electrical noise, a component in the air bag control module may fail, causing the front air bags, side air bags, and/or seatbelt pretensioners to deploy inadvertently while the vehicle is being operated.

    Inadvertent deployment of the air bags may increase the risk of injury and the possibility of a vehicle crash.

    Honda dealers will replace the supplemental restraint system electronic control unit (SRS ECU). The recall began on February 22, 2016. Owners may contact Honda customer service at 1-800-999-1009. Honda's number for this recall is JN6 (Odyssey), and JN7 (MDX). Note: This recall supersedes recall 13V-412. Vehicles that had a noise filter installed as the remedy for that campaign need to have the SRS ECU replaced under this campaign.

    Campaign 15V045000 on NHTSA.gov

  9. Air bagsNov 4, 2014

    American Honda Motor Co. (Honda) is recalling certain model year 2001-2005 Honda Civic, 2003-2004 Civic CNG and Element, 2002-2005 CR-V, 2002-2004 Odyssey, 2003-2005 Accord, Pilot, Civic Hybrid, and Acura MDX, 2005 Acura RL and 2006 Honda Ridgeline vehicles originally sold, or ever registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Alabama, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, U.S. Virgin Islands, Saipan, Guam, and American Samoa are addressed by this recall. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

    In the event of a crash necessitating deployment of the passenger’s frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the passenger side air bag inflator, free of charge. The recall began January 26, 2015. Owners may contact Honda customer service at 1-800-999-1009.

    Campaign 14V700000 on NHTSA.gov

  10. Air bagsJun 20, 2014

    American Honda Motor Company, Inc.'s (Honda) is conducting a limited regional recall for certain model year 2003-2005 Accord, Civic, CR-V, Pilot and Acura MDX, model year 2003-2004 Odyssey and Element, and model year 2005 Acura RL, and 2006 Honda Ridgeline vehicles originally sold, or ever registered in California, and equipped with Takata-brand air bag inflators. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

    In the event of a crash necessitating deployment of the passenger’s frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.

    Honda will notify owners, and dealers will replace the inflators in all affected vehicles, free of charge. The recall is expected to begin during August 2014. Owners may contact Honda customer service at 1-800-999-1009.

    Campaign 14V353000 on NHTSA.gov

  11. Air bagsSep 19, 2013

    Honda is recalling certain model year 2003 and 2004 Odyssey and model year 2003 Acura MDX vehicles. Due to electrical noise, a component in the air bag control module may fail causing the front air bags, side curtain air bags, and/or seatbelt pretensioners to deploy inadvertently while the vehicle is being operated.

    Inadvertent deployment of the air bags may increase the risk of injury and the possibility of a vehicle crash.

    Honda will notify owners, and dealers will install a noise suppressor unit, free of charge. The recall began on November 1, 2013. A renotification letter went out on July 11, 2014 for the 2003 Acura and the 2003-2004 Odyssey. Owners may contact Honda at 1-800-999-1009. Honda's recall numbers are JC2 (Honda Odyssey) and JC3 (Acura MDX).

    Campaign 13V412000 on NHTSA.gov

  12. Electrical system, ignition, switchDec 11, 2012

    Honda is recalling certain model year 2003 and 2004 Pilot and Odyssey and 2003 through 2006 Acura MDX passenger vehicles manufactured from November 26, 2001, through August 30, 2006. The interlock lever of the ignition switch may deform, which can allow the interlock function of a vehicle with an automatic transmission to be defeated.

    Removal of the ignition key when the gear selector of a vehicle with an automatic transmission has not been shifted to the park position can allow the vehicle to roll away, increasing the risk of a crash.

    Honda will notify owners and instruct them to take their vehicle to a Honda or Acura dealer. The dealer will install an updated shift interlock lever and, if necessary, replace any necessary part of the ignition switch, free of charge. The recall began on February 22, 2013. Owners may contact Honda at 1-800-999-1009.

    Campaign 12V573000 on NHTSA.gov

  13. Equipment, mechanical, carrier/rackFeb 5, 2008

    HONDA IS RECALLING 2,032 HITCH STYLE BIKE RACKS SOLD AS AFTERMARKET FOR USE ON MY 2003-2007 AND SOME MY 2008 HONDA PILOT, RIDGELINE, AND ACURA MDX VEHICLES. A PINCH BOLT EXISTS BETWEEN THE BIKE ARM BRACKET AND THE UPRIGHT ASSEMBLY OF THE "HITCH" STYLE BICYCLE RACK.

    WHEN MOVING THE BIKE ARM BRACKET TO ITS DOWN POSITION, THIS PINCH BOLT HAS THE POTENTIAL OF CAUSING SEVERE LACERATION OR AMPUTATION TO THE USER'S FINGERTIPS OR HAND.

    OWNERS SHOULD CONTACT THULE AT 800-THULE91 (800-848-5391) TO OBTAIN A FREE REPAIR KIT ALONG WITH REPAIR INSTRUCTIONS OR OWNERS MAY CONTACT HONDA AT 1-800-999-1009 OR ACURA AT 1-800-382-2238 FOR FURTHER INFORMATION.

    Campaign 08E013000 on NHTSA.gov

Representative owner complaints: other or unspecified

10 reports, newest first. Show all

  1. Power train, Other or unspecified, Fuel/propulsion system, Dec 21, 2020

    THE VEHICLE KEEPS SHUDDERING AND LOSING POWER AND GEARS NOT CHARGING IN RIGHT

  2. Electrical system, Other or unspecified, Nov 9, 2020

    THE MDX SRS MALFUNCTION-ELECTRICAL NOISE SURGES. THE CAR IS MAKING ELECTRICAL NOISE SURGES, I CANNOT START THE CAR. THE SHIFT INTERLOCK, WHEN I PUT THE CAR IN PARK IT CONTINUES TO ROLL.

  3. Air bags, Other or unspecified, Oct 12, 2016

    TAKATA RECALL THERE ARE FOUR RECALLS ON MY CAR AND THE NEAREST ACURA DEALERSHIP IS 200 MILES AWAY. THERE IS A LOCAL HONDA DEALERSHIP THAT COULD DO THE AIRBAG RECALL, BUT ACURA CLAIMS THAT SINCE THERE ARE SEVERAL RECALLS THAT IT NEEDS TO BE DONE AT THE ACURA DEALERSHIP. I DON'T HAVE THE TIME TO TAKE AN ENTIRE DAY TO GET THIS FIXED. ACURA KEEPS REFERRING ME BACK TO THE DEALERSHIP AND THE DEALERSHIP KEEPS REFERRING ME BACK TO ACURA.

  4. Power train, Other or unspecified, Aug 15, 2016

    TORQE CONVERTER GOING OUT SHATTERING NOISE THIRD GEAR 30 TO 40 MPH ABOUT 1500 RPMS THERE HAS BEEN OVER 100 COMPLAINTS ONLINE ABOUT THE SAME ISSUE

  5. Air bags, Other or unspecified, Jun 28, 2016

    I HAD ALL RECALLS REPAIRED A LOU SOBH HONDA IN CUMMING GA. ACURA WAS CLEAR THAT SOME OF THE RECALLS I HAD DONE WOULD HAVE TO BE PAID BY ME BUT WOULD BE PROMPTLY REFUNDED. I SUPPLIED ALL RECEIPTS AND NOW (OVER 10 WEEKS LATER) HAVE STILL NEVER BEEN REIMBURSED. PATHETIC CUSTOMER SERVICE.

  6. Power train, Vehicle speed control, Other or unspecified, Oct 24, 2015

    I THINK IT IS ABOUT TIME THAT WE ALL PUSH NHTSA TO MAKE ACURA/HONDA RECALL ALL THESE MDX FROM 2001 TO 2012 TO HAVE THESE TORQUE CONVERTERS AND TRANSMISSIONS REPLACED AND FIXED ONCE AND FOR ALL!!! THIS IS VERY DANGEROUS AS THERE IS NO SIGN WHEN THESE CARS ARE GOING TO LOCK UP AND GO FROM 75 MPH DOWN TO 40 MPH AND THEN STAYS AT 40MPH TILL YOU CAN GET OFF THE HIGHWAY TO AN EXIT. I SWEAR MAYBE SOMEBODY NEEDS TO GET SERIOUSLY HURT WHEN THEY GET REAR ENDED BY SOMEONE THAT HAS NO CLUE WHY YOU HAVE COME TO A SUDDEN CHANGE OF SPEED. THIS WEEK IT'S DIFFERENT THEN BEFORE, NOW IT ALMOST THREW ME THROUGH THE WINDSHIELD HAD I NOT HAD MY SEAT BELT ON. THOUGH WHEN YOUR NOT EXPECTING A CARS TRANSMISSION TO HALT SO FAST IT STILL SCARES THE LIFE OUT OF YOU AND THEN TRY AND GET OVER TO THE BREAKDOWN LANE. THIS IS MY 2ND REPAIR OR REBUILD OF ALL THESE ITEMS AND FOR THE COST OF THESE CARS WHEN NEW ACURA SHOULD BE SUED AND MADE TO PAY TO FIX THESE DRIVE TRAIN DEFAULTS!!! COME ON NHTSA YOU KNOW THEY ARE IN THE WRONG AND LETS GET THESE CARS FIXED TOO ONCE IN FOR ALL BEFORE MORE PEOPLE ARE KILLED OR SERIOUSLY HURT.

  7. Other or unspecified, Oct 18, 2015

    TRANSMISSION SLIPPED AT 2ND-3RD GEAR WHILE I WAS DRIVING IT IN THE HIGHWAY

  8. Air bags, Other or unspecified, Engine, Sep 24, 2015

    I RECEIVED A RECALL NOTICE AND MADE AN APPOINTMENT TO HAVE MY VEHICLE REPAIRED. UPON TAKING IT TO THE DEALERSHIP AND THEM FIXING IT I DROVE HOME MY CAR IMMEDIATELY BEGAN RUNNING HOT. I CALLED THE DEALERSHIP BACK AND HE TOLD ME TO BRING IT BACK IN. I WAS ISSUED A LOANER VEHICLE. I RECEIVED A CALL STATING THAT MY RADIATOR HAD SOMEHOW COME LOOSE AND THAT MY ENGINE WAS BLOWN. I WAS SO UPSET SO I CALLED BACK AND TOLD HIM MY MECHANIC WAS COMING WITH ME NOW ALL OF A SUDDEN THE ENGINE IS NOT BLOWN BUT INSTEAD WARPED AND CAN BE MACHINED. I FEEL THEY DAMAGED MY VEHICLE BY DOING THE RECALL AND THEY DON'T WANT TO TAKE ACCOUNTABILITY FOR IT. PLEASE HELP ME.

  9. Power train, Other or unspecified, Jul 21, 2011

    MY CAR ALONG WITH MANY OTHER ACURAS BETWEEN 2001-2005 HAVE A PROBLEM WITH A VERY SIGNIFICANT SHUDDER VIBRATION THAT LASTS A FEW SECS, USUALLY AT SPEEDS BETWEEN 35-40. IF YOU READ THE BLOGS YOU WILL SEE HUNDREDS OF OTHER CONSUMERS SAY THE SAME THING: ACURA SAYS THEY CAN'T REPLICATE THE NOISE. WHEN THE CAR IS OUT OF WARRANTY, THEN SUDDENLY THEY CAN REPLICATE IT AND THEY SAY THEY HAVE TO REPLACE EITHER THE TORQUE CONVERTER OR THE ENTIRE TRANSMISSION, CHARGING $2000 +. THIS IS A MAJOR PROBLEM AND SHOULD HAVE BEEN A RECALL, PLEASE HELP US HOLD ACURA ACCOUNTABLE FOR THIS KNOWN PROBLEM! THESE CARS ARE TOO EXPENSIVE FOR SUCH A BIG PROBLEM SO EARLY ON.

  10. Other or unspecified, Mar 25, 2003

    THE MDX NAVIGATION SYSTEM GIVES VERBAL AND VISUAL DIRECTIONS. I TEND TO RELY ON THE VERBAL DIRECTIONS IN THE CITY. SOMETIMES THE SYSTEM CANNOT DETERMINE ITS POSITION BECAUSE IT CANNOT GET SUFFICIENT SATELLITE SIGNALS. IT GIVES NO VERBAL CLUE THIS IS HAPPENING, IT JUSTS GIVES DIRECTIONS AS IF IT KNEW WHERE IT WAS (PRESUMABLY VIA DEAD RECKONING). THERE IS A VISUAL CUE, BUT IT IS VERY HARD TO SEE DURING THE DAY. THE SMALL LETTERS "GPS" TURN WHITE WHEN THE SIGNAL IS WEAK. THIS HAPPENED TO ME FIRST WHILE IN BOSTON ON 22JAN2003. IT STARTED GIVING ME DIRECTIONS AS IF I WERE SEVERAL BLOCKS AWAY. FORTUNATELY I KNEW THE AREA WELL ENOUGH TO KNOW IT WAS LOST BEFORE MAKING LOTS OF WRONG TURNS, BUT A DRIVER RELYING ON THE GPS MIGHT HAVE FOUND HIMSELF DRIVING THE WRONG WAY DOWN A ONE WAY STREET. I KNOW THAT INCORRECT MAP DATA CAN CAUSE THE SAME PROBLEM AND I HAVE ACCEPTED THAT RISK, BUT IT IS NOT NECESSARY TO COMPOUND THAT RISK THROUGH POOR SOFTWARE IMPLEMENTATION, ESPECIALLY WHEN THE PROBLEM COSTS ALMOST NOTHING TO CORRECT.