general problems of the 2008 GMC Sierra

Door locks don't work.

Purchased my 2008 GMC Sierra truck in November 2015 after having for only 5 months driver side door lock will only lock or unlock sometime, making it unsafe if you needed to exit quickly due to accident or fire. Seen many other post about same problem. Should be a recall on this.

I was driving on the highway when all the lights on the instrument cluster came on and went crazy and so did the radio. The trucks brakes locked up and came to a complete stop. The truck turned off and when I tried to turn it back on it was dead. Open up the hood and disconnected the battery and reconnected and the truck turned on this has not been the only time it has happen.

Driver front door does not lock or unlock.

My truck started to activate the brakes in the middle of the 3 lane 680 freeway, doors started to lock and unlock, navigation went dark, muiltiple different displays on dashboard, numer of lights from the air conditioner unit, came on. Acceleration or brakes would not respond, we were unable to drive off the freeway. It was a scary moment, we were lucky that no big rig was following us, or it would had runs us over, and probably killed us.

Airbag service light and message appeared. Defective 15297468 sensor caused system failure. Part badly damaged by corrosion.

All 4 door locks do not lock/unlock unless done manually. Big safety issue!!! notice a lot of complaints on this maybe it is time for a recall.

This is not an official complaint however as the ignition problem unfolds with the gm products I wanted to take the opportunity to bring to the attention a very serious problem that occurred approximately a year or so ago with my 2008 GMC Sierra. I typically park my truck in the garage with the key in the ignition. We have a live camera in the garage and one morning around 7 am after a severe thunderstorm around 3 am I found on the camera the truck running with flashing headlights. I went to garage immediately and was hit with very high heat due to the truck running. With the carbon monoxide potential I did not go into the garage. I got my wife's keys and tried a "remote stop" and the headlights stopped flashing but the engine continued to run. I open both garage doors and went outside so I could enter the garage from the outside. I opened the truck door and barely touched the key in the ignition and the truck shut off. It was not turned on! without a doubt it had been running about four hours since the storm. I contacted gm and was told to take it to the local dealer. After telling the dealer the story they basically laughed at me and said that I would have to bring it in when the next storm came thru. They later run a diagnostic test at gm request and found a mysterious ignition code but no solution. What makes this even stranger is that we also had a 2010 yukon that started on its own one afternoon when myself, a sheriff deputy and three other neighbors were standing next to it during a severe lightning storm. The garage door was open, the keys were "not" in the ignition but when there was a loud lightning strike it started. To run. I did not contact anyone and it never happened again until the truck started after a lightning storm. I have since sold both vehicles but they are still in the local area. I really feel the gm ignition problem goes a lot deeper!!.

On the morning of April 11 we had a severe thunderstom at approx. 3:00am. Later in the morning at approximately 6:30am I found my 2008 Sierra truck running in my garage with the garage doors shut. The headlights were flashing and the garage was extremely hot due to the engine running. There was a lot of water condensation on the floor indicating that the engine had been running for quite some time. The temperature guage was at running temperature. My keys were in the ignition so I opened the garage to air out the carbon monoxide and took my wife's keys and tried to stop it remotely but it would not stop. A few minutes later I went outside and came in thru the garage door trying not to breath the fumes. By then the truck was not runnung. I found the check engine light on. When I touched the key in the ignition the check engine light went out. The seat presets were messed up and the clock was several hours off. There was absolutely no way the truck was remote started. Even if it was it should only run for 10 minutes. This was a very serious and dangerous situation! continuing on with a similar situation a year ago, there was a severe thunderstorm coming thru. Our neighbors had come to our house during the warning since we had a basement. We were all standing in the garage with the garage door open and our 2010 GMC yukon started up like someone turned on the ignition. There were no keys in the ignition. The electrical storm was on-going when this happened. We saw our neighbor leave in her yukon so we thoguht maybe she remote started hers so I followed up with her to see if she had remoted started her car and she had not. She tried to remote start her car and it did not affect ours whatsoever. It appears that both incidents seem to be storm related. It is a very serious and dangerous situation knowing this could happen while we were asleep or away for a few days.

Erratic door lock behavior. Passenger and rear driver side door will not lock or unlock consistently. The passenger side lock not locking resulted in the theft of a handgun from my vehicle. This deficiency leaves the vehicle susceptible to theft, carjacking, doors coming open on impact. Passengers, especially children are at risk of opening the vehicle door while in motion. In the event of an emergency the doors effected can not be unlocked from other than the manual latch button to aid passengers.

We have had three of the power locks go out - first was front passenger, which was under warranty and covered free of charge, so was the second - the front drivers side. But, the rear passenger side went out a year later and now they will not cover it under warranty. My concern is that, having small children, I have had them locked inside the vehicle and the unlock doesn't work, so I have to climb through to access the door lock. In an event of an emergency, where time is of essence - this is a severe issue.

Passenger door lock stopped working. Only way to unlock door, is by reaching across seat and lift lock button. This is unsafe in case of an accident, where the drivers door is unable to be used for exit, and the passenger door must be used.

My 2008 GMC Sierra denali's automatic locks have failed on three of the four doors. I didn't realize they were not engaging until I took two children to dinner and had one of them open the door without unlocking the door. I had the child safety locks engaged and thought I would be safe, but it turns out the locks never engaged (thus, making the child locks irrelevant). This is an issue beyond inconvenience.

2008 GMC Sierra. Consumer expresses discontent regarding recall the consumer stated the fix was totally unsatisfactory. The part should be replaced with a properly functioniong system and not disabling and removing it. Reccall 08v441000.

2008 GMC Sierra. Consumer writes regarding heated washer fluid system the consumer stated he received a recall notice in the mail regarding the heated washer fluid system. The consumer stated the disabling of the system was simply not acceptable. The consumer lives in an area where there are below freezing temperatures and he also travels over mountains passes where icing of the windshield is a common problem.