OnStar Additional Information
IntroductionSteering Wheel Controls
For vehicles with audio steering wheel controls, some audio controls can be adjusted
at the steering wheel.
(Push to Talk): For vehicles with
a Bluetooth, OnStar, or navigation system, press to interact with those systems.
(Mute/End Call): Press to silence
the vehicle speakers only.
Pre ...
Heating and Air Conditioning System Description and Operation
Engine Coolant
Engine coolant is the key element of the heating system. The thermostat
controls engine operating coolant temperature. The thermostat
also creates a restriction for the cooling system that promotes a positive
coolant flow and helps prevent cavitation. Coolant enters the
heater ...
Air Hose Test
Caution: The air hose test should only be used on fully cured
urethane adhesive. Otherwise, damage to the urethane adhesive bead
could result in additional leaks.
Using a liquid detergent, diluted with water in a spray bottle, spray
the window at the edges. Begin at the bottom and grad ...