Vehicle taillights failed to function when lights come on at night. I became aware of this when another motorist stopped beside me to tell me. Fuse and lightbulbs work when tested.

- Calvert City, KY, USA

Air bag light comes on making it unclear if occupants are protected or if air bag will just go off on its own. Problem is wires in back door jamb become fatigued and break causing failure of air bags. Vehicle is also considered an inspection failure as well in Massachusetts.

- Gloucester, MA, USA

I've tried to have a garage repair/fix my heater/fan motor three times to no avail. Heater works on high only...and not on any other speeds.

- Siletz, OR, USA

Ignitinion switch triggers anti-theft secure on truck so it would not start I wait for 10 minutes then it starts, dealership could not tell me a few years ago when I took it, and mechanics tell me its a defected ignition switch but only dealer can fix it, its a recall thing from what mechanics are telling me. Its a shame mechanics outside the dealership know more then dealership on what it is been recall.

- Stafford, TX, USA

Wiring for turnsignals melts down. There is a wire harness with a connector at the turn front signals, the wire gauge is in adeqaute and causea excessive heat build-up this causes the wires and connectors to the front turn signals to melt down and the turn signals become inoperable. I have replaced these components twice due to thia issue. The resistor pack for air conditioning blower fan speed control melts and catches fire. I have replaced this part twice and ultimately have bypassed the resistor pack leaving the ac blower with only the choice of high speed or off.

- Palm Beach Gardens, FL, USA

I am experiencing an intermittent issue where the passlock system fails when attempting to start the vehicle and I have to wait 15 minutes for it to time out. There are forums with this model of truck that state this is a common problem but I have found no recall on it. I have found that the ignition and body control modules were to blame and currently dealers are charging upward of $1100 to repair. This should be a recall issue due to the widespread problem and that it is a known defect specific to this model of truck.

- Haysville, KS, USA

Hello, I just purchased a used vehicle and it has the same passcode problem that my 2000 express van has. This is a substantial problem and GM is not owning up to the problem and should have a fix for it. How long are you going to ignore that ''tis is a serious problem and in an emergency situation having to wait 10 min. Could be life threatening. All I want is the 05 Colorado to work, I'll be selling the van and passing the problem to someone else. Time to stand behind your vehicles, this will be my last GM vehicle if you won't fix it. After 30 years of loyalty you should have my back

- Farmington, CT, USA

My cruise control stopped working and then my break lights. Put in new break bulbs and they still do not work! I was dri ing when cruise control went out and my husband noticed my breaks while I was driving.

- Lakewood, CO, USA

At different times turn signals, brights, brake lights will quit working and dash light indicator that air bag is not working will illuminate. This can happen while driving or when first starting up. At times you can push stalk up for a right hand turn and left turn signal indicator will light up and blink. If you push the stalk down for a left turn signal nothing will happen.

- Stow, OH, USA

The blower motor resistor and the wiring is broken for the third time. This time there were burn marks on the wires which worries me about a possible fire in my dashboard. This occurs while the vehicle is on. This overheating/burning of the resistor and wires causes the blower motor to not blow air which in phoenix, AZ is a must due to severe hot weather.

- Glendale, AZ, USA

A/C & heater controls not working. 1st time took pick-up in and was fixed under warranty at hudiburg cheverolet in Oklahoma city, ok. The same thing was happening again around 1 1/2 years later took back to hudiburgs again and they refused to fix it because it was out of warranty. A couple of weeks later it began to work for a little while then stopped working altogether.

- Washington, DC, USA

The ac fan only works on high (4). The ac fan switch has a known defect in the resistor switch for the fan. This can cause the wiring to overheat and start a fire. GM has already recalled the Hummer H3 for the same problem. The recall should be extended to the 1st generation Chevy Colorado because it has the same fan switch resistor.

- Yukon, OK, USA

The contact owns a 2005 Chevrolet Colorado. While the vehicle was stationary, burning fumes emitted inside the vehicle. After an inspection, it was confirmed that there were burned wires in the vehicle. The contact replaced the wire harness and a temperature control regulator. The vehicle was repaired; however, the failure recurred. The vehicle was not taken to the dealer. The manufacturer was made aware of the issue. The approximate failure mileage was 170,000.

- Hamburg, NY, USA

Driving down the road, all the sudden started to get a burn smell. Had to pull over and have the truck being towed to the shop. The problem is the harness connector to the A/C- heating blower was burning. Luckily I had discover the problem on time. This problem could be a dangerous fire. We need this problem to be addressed and fixed since all the owners of this vehicle have been having the same issue.

- Amagansett, NY, USA

No speed required. The A/C & heater not working. It was fixed while under warranty and it worked for a series of months and then it began acting up again took the vehicle in and it had just gone out of warranty. It was obvious that the issue was exactly the same problem and they refused to complete their work. In the winter or during damp weather it's impossible to drive due to windshield fogging up. It presents a very unsafe condition.

- Washington, DC, USA

The contact owns a 2005 Chevrolet Colorado. The contact stated that the instrument panel was flickering. The contact had a safety concern because the speedometer was not visible. In addition, the vehicle failed to accelerate after a complete stop. The failure occurred on several occasions. The dealer stated that the body control module needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The VIN was unavailable. The approximate failure mileage was 68,000.

- Daytona Beach, FL, USA

The brake light switch installed by Chevrolet to replace the brake light switch that they had recalled, had also failed to work. It stopped working shortly after they had installed the new one, but I hadn't realized because I thought my brake lights just kept going out. I wasn't even aware that there was a recall on the brake light switch and that they had replaced it when I had taken it in for another recall issue. I even told my mechanic and he just replaced the brake lights. It wasn't until much later that I realized my lights were actually fine but that the brake light switch was not activating them. I reported this to GMC and they said that they would not fix it unless I paid for it out of pocket ($137 for a diagnostic test, $64 for the actual replacement).

- Fairfield, CA, USA

Loss control of vehicle on black ice; car spun and rolled at least one time. Air bags did not deploy; person had to be cut out of vehicle due to the doors not being able to unlock.

- Maryville, MO, USA

Vehicle stalled while driving. Was able to restart but would only stay running for a few seconds. After several attempts it restarted and stayed running. Since that time the vehicle intermittently stalls immediately after starting and requires several attempts to restart and keep running. Security system light is on. Dealer said it could be the key, or the key switch, or the body control module (BCM), or all three. Research online indicates that numerous Chevy Colorado owners have the exact same problem and have been told similar things by dealers. In fact numerous owners of Chevy with the passlock security system have the same problem. It feels unsafe to drive a vehicle that stalls and won't restart.

- Springfield, WI, USA

When I slow down my vehicle begins to spudder and sometimes turns off. At first I thought it might be the fuel filter which was changed but problem persists. The vehicle has shut down on the highway when I slowed down for traffic. I place it in neutral while still in motion and turn it on again then immediately put the vehicle in drive to avoid getting hit. I first thought it was just my vehicle until I came on her today and found other people with similar problems.

- League City, TX, USA