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hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
67,980 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Chevrolet Impala accessories - exterior problems

accessories - exterior problem

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2003 Chevrolet Impala Owner Comments

problem #5

Jul 052010


  • 137,000 miles


The contact owns a 2003 Chevrolet Impala. While driving approximately 40 mph he attempted to open the rear passenger side window but it would not open. The failure continued to occur intermittently. He also mentioned that the headlights would flicker intermittently while driving various speeds and the door locks would also malfunction. The contact could only manually unlock the doors. The vehicle was taken to an authorized dealer where they were unable to diagnose the failures. He replaced the alternator himself but the failures continued to recur. The vehicle was taken to an independent mechanic who stated that the vcm needed to be replaced, but it was not repaired. The failure mileage was 137,000 and the current mileage was 157,000.

- Irving, TX, USA

problem #4

Sep 062010


  • 110,000 miles
We are dealing with a problem with the ignition switch/ security system on our car at least once a week now. This issue began about six months back and is definitely worsening. We are experiencing wait times of about ten minutes to clear the security system before we can start the car and have been told this will eventually end up completely failing soon. Now this problem has caused the instrument cluster lights to fail and we cannot judge speed at night without a flashlight. I judge this a safety issue because this is my wife's car and she often has to depend on the car at nights and alone.

- Pendleton, NC, USA

problem #3

Dec 252006

Impala 4-cyl

  • Automatic transmission
  • 56,000 miles
- on December 25, 2006, the contact was driving 35 mph when her child got out of the child safety seat and opened the passenger door. The contact immediately pulled over and secured her child. The contact stated that this was the first and only time that this has happened. The contact has since called thorobred Chevrolet from whom she purchased the car to find out why the car did not have child proof safety locks. The dealer tried to sell her a new car instead of providing her with information on how she could get some child proof safety locks for this car. The contact stated that this was the only dealership that she has contacted concerning the child proof locks. The contact stated that this was a safety issue, and she would like the child proof safety locks added to the car at no cost, or to be provided with a car that did have child proof locks. Updated 02/09/07.

- Keene , KY, USA

problem #2

Mar 202006

Impala 6-cyl

  • Automatic transmission
  • 36,900 miles
: the contact stated the vehicle is equipped with automatic door locks. This feature locks the doors automatically when the vehicle is put into drive. Due to a failure in the automatic door lock, the doors must be manually locked. The vehicle has been inspected however the problem cannot be corrected. Also the keyless entry has been taken to the dealer 5 times for reprogramming. This only corrected the problem for a short period of time. Updated 4/6/2006 -

- Wheeling, IL, USA

problem #1

Apr 282004

(reported on)


  • miles
While driving with children buckled in child safety seat and with seat belts on the children were able to unlock the doors and open them while the vehicle was in motion.

- Tecumseh, MI, USA

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