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 Heater
The engine coolant heater, if available, can help in cold weather conditions
at or below −18°C (0°F) for easier starting and better fuel economy
during engine warm-up.
Plug in the coolant h ...
Remote Start Auto Heated Seats
When on, this feature will turn the heated seats on when using remote start
on cold days.
Press the MENU/SELECT knob when Remote Start Auto Heated Seats is
highlighted. Turn the knob to select On ...
Hitches
Use the correct hitch equipment.
See your dealer or a hitch dealer for
assistance.
- The rear bumper on the vehicle
is not intended for hitches.
Do not attach rental hitches or
other bumper-t ...