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:
Power Door Locks
(Unlock): Press to unlock the doors.
(Lock): Press to lock the doors.
See “Power Door Locks” in Vehicle Personalization . ...
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include:
► Keep the vehicle serviced and in good shape.
...
Setting the Time and Date
(With Date Display)
1. Press the CONFIG button and
select Time and Date Settings,
or press .
2. Select Set Time or Set Date.
3. Turn the Menu knob to adjust
the highlighted value.
4. Press SELECT to select the n ...