OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview on page 14‑1 for more information.
See also:
Exterior Lighting
The exterior lamp control is located on the turn signal/lane change lever.
: Turn to operate the exterior lamps.
: Turns the exterior lamps off.
AUTO: Turns the exterior lamps on and off automat ...
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
For all other vehicles, use only the unleaded gasoline d ...
Service Vehicle Messages
SERVICE A/C (Air Conditioning) SYSTEM
This message displays when the electronic sensors that control the air conditioning and heating systems are no longer working.
Have the climate control system s ...





