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:
Underbody Maintenance
Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, floor ...
Replacement Bulbs
For replacement bulbs not listed
here, contact your dealer. ...
How the System Works
When the vehicle is started, both outside mirror displays
will briefly come on to indicate that the system is
operating. While driving forward, the left or right side
mirror SBZA display will ...