OnStar Services
See also:
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 ...
Instrument Panel Illumination Control
This control is located on the instrument panel, to the left of the steering
column.
(Instrument Panel Brightness): Turn
clockwise or counterclockwise to brighten or dim the lights. ...
Shocks and Struts
Shocks and struts help aid in control for a smoother ride.
• Signs of wear may include steering wheel vibration, bounce/sway while braking, longer stopping distance, or uneven tire wear.
• As pa ...





