Potential Issues

Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

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    Turn and Lane-Change Signals
    The turn signal has two upward (for right) and two downward (for left) positions. These positions let you signal a turn or a lane change. To signal a turn, move the lever all the way up or down. ...

    Front Turn Signal/Parking/Side Marker Lamps (Base and Up-Level)
    To replace the front turn signal, parking lamp, or sidemarker lamp: 1. For the driver side bulb, remove the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle ...

    Flash-to-Pass
    This feature lets you use your high-beam headlamps to signal a driver in front of you that you want to pass. It works even if your headlamps are in the automatic position. To use it, pull the turn ...