NHTSA — Visibility: Defroster/Defogger System Problems


definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
41,916 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.

2005 Pontiac Grand Prix accessories - exterior problems

accessories - exterior problem

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2005 Pontiac Grand Prix Owner Comments

problem #3

Jan 232011

Grand Prix 8-cyl

  • 81,648 miles


The contact owns a 2005 Pontiac grand prig. While the vehicle was parked she turned on the heat and it failed to function. She stated had automatic climate control on the vehicle and when she turned the heater on no matter what temperature it was set to the heat was minimal and luke warm. The vehicle was taken to a local mechanic for the failure who advised her that the HVAC control head needed to be replaced and that the part was on back order from the manufacturer. The contact stated that the manufacturer could not give them a delivery date. The vehicle was not repaired. The failure mileage was 81,648 and the current mileage was 81,736. Updated 03/31/11 updated 05/06/11

- Groveport, OH, USA

problem #2

Apr 012007

Grand Prix 6-cyl

  • Automatic transmission
  • 35,000 miles
The contact owns a 2005 Pontiac Grand Prix. When the window defogger is activated and the windshield wipers are engaged, the vehicle shuts down. While driving 70 mph, the vehicle stalls and loses power. The mechanic stated that the O-ring was missing, which causes the vehicle to lose power due to lack of heat. The mechanic was unable to duplicate the failure. When the contact took her vehicle to the dealer, it was still under warranty. However, when she picked up her vehicle from the dealer, she noticed that 100 miles had been added, which put the vehicle out of warranty. The failure persists. The current mileage is 37,000 and failure mileage was 35,000.

- Cranberry, NJ, USA

problem #1

Jan 182006

Grand Prix 6-cyl

  • Automatic transmission
  • 9,100 miles
: the consumer stated the defroster does not completely defrost the windshield. This causes the windshield to form ice and the windshield wipers to freeze. The area that does not defrost is approximately one and a half to two inches from the bottom and approximately 14-16 inches from the ends. The vehicle has been seen by the dealership and the manufacturer was contacted. It was determined this is how the vehicle was manufactured therefore, no remedy was available. Updated 3/28/2006 -

- Fountain City, IN, USA

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