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:

    Engine Coolant
    The cooling system in the vehicle is filled with DEX-COOL engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first. The fol ...

    Headlamp Washer
    For vehicles with headlamp washers they clear debris from the headlamp lenses. The headlamp washers are beneath the headlamps. Press the washer button at the end of the windshield wiper le ...

    Storing a Station as a Favorite
    Stations from all bands can be stored in any order in the favorite pages. Up to six stations can be stored in each favorite page and the number of available favorite pages can be set. Storing S ...