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 Heater
Vehicles with the engine coolant
heater can use this option in cold
weather conditions at or below
−18°C (0°F) for easier starting and
better fuel economy during engine
warm-up. Plug i ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation
screen. Destinations can also be forwarded to the veh ...
Vehicle Information Menu Items
(Vehicle Information): Press to
scroll through the following menu items:
Oil Life
Press the vehicle information button until OIL LIFE REMAINING displays. This
display shows an estimate of the o ...