Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
3,550 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 Mercury Grand Marquis accessories - interior problems

accessories - interior problem

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2005 Mercury Grand Marquis Owner Comments

problem #4

Jan 112006

Grand Marquis

  • Automatic transmission
  • miles


Two problems with the horn since I purchased my car in Dec 2004: 1) sounds when I haven't even hit it at all and 2) won't sound when I need it unless I hit it in exactly the right place which seems to change every time I need it! a couple of times when it sounded on it's own it lasted almost a full minute! hitting it had no effect. And then, a couple of times when I needed it, it never sounded! this scares the I-don't-know-what out of me and everyone around me! I've taken it to darcars on branch avenue in marlow heights, md. A number of times in 2006. They were able to repeat symptoms, and did do something that fixed problems for awhile. But problems keep resurfacing. Second week of Jan 2006, horn went off on it's own while I was in a curve to the right, and the car to the left of me almost went off the road. Serious safety issue!! almost better to not even have this horn!

- Upper Marlboro, MD, USA

problem #3

May 122006

Grand Marquis 8-cyl

  • Automatic transmission
  • 13,000 miles
: the contact stated the horn only sounded with extreme pressure being applied to the right side of the steering wheel. The horn did not sound when any other area of the steering wheel was depressed. The vehicle was taken to the service dealer, who determined the horn was not working properly, but could not determine how to remedy the problem without possibly causing the airbag to deploy. The only work completed by the dealer was an attempt to remove the steering wheel cover to inspect the horn connection. This resulted in the horn sounding continuously. Therefore, the dealer disconnected it completely. The dealer, who was a Ford dealer, recommended taking the vehicle to a Mercury dealer for further inspection. The manufacturer has not been contacted. The horn has since been repaired. Updated 05/30/06.

- Woodsville, NH, USA

problem #2

Jun 202005

Grand Marquis 8-cyl

  • Automatic transmission
  • 1,000 miles
2005 Mercury Grand Marquis the horn does not work I took it to rolling hills Ford in clermont floria and it still does not work

- Clermont, FL, USA

problem #1

Dec 282004

Grand Marquis 8-cyl

  • Automatic transmission
  • 200 miles
Horn does not blow. Noticed almost immediately after purchasing vehicle. Dealer did not know how to fix, said all models had this problem. Consumer states that after contacting NHTSA and Ford 3 days later, consumer received a call to bring the car in for repairs and it only took a half hour to fix the defect.

- Crystal River , FL, USA

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