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.

    See also:

    Wiper Activated Headlamps
    This feature activates the headlamps and parking lamps after the windshield wipers are turned on and have completed eight wipe cycles within four minutes. When the ignition is turned to LOCK/OFF, ...

    Tire Rotation
    Tires should be rotated every 12 000 km (7,500 mi). See Scheduled Maintenance . Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time unusua ...

    Automatic Transmission Shift Lock Control Function Check
    WARNING! When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough r ...