OnStar
Keys and LocksWhere Are the Airbags?
The driver frontal airbag is in the center of the steering wheel.
The front outboard passenger frontal airbag is in the passenger side instrument
panel.
The driver knee airbag, if equipped, is below the steering column. The front
outboard passenger knee airbag, if equipped, is below the gl ...
Heating and Air Conditioning System Description and Operation
Engine Coolant
Engine coolant is the key element of the heating system. The engine thermostat
controls the normal engine operating coolant temperature. Coolant pumped out
of the engine enters the heater core through the inlet heater hose. The air
flowing through the HVAC module abs ...
Electronic Park Lock Description and Operation
If the vehicle is equipped with automatic transmission and a floor mounted console
gear shift, it has an electronic park lock system (EPL). The EPL system purpose
is to prevent the ignition key from being turned to the OFF position when the transmission
is in any position other than PARK and t ...