OnStar Overview
EmergencyIgnition Positions (Keyless Access)
The vehicle has an electronic keyless ignition with pushbutton start.
Pressing the button cycles it through three modes, ACC/ACCESSORY, ON/RUN/START,
and Stopping the Engine/OFF.
The transmitter must be in the vehicle for the system to operate.
If the pushbutton start is not working, the vehi ...
Engine Coolant
The cooling system in the vehicle is filled with DEX-COOL engine coolant. This
coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000
mi), whichever occurs first.
The following explains the cooling system and how to check and add coolant when
it is low. If there is a ...
Traction Off Light
This light comes on briefly while starting the engine. If it does not, have the
vehicle serviced by your dealer. If the system is working normally, the indicator
light then turns off.
The traction off light comes on when the Traction Control System (TCS) has been
turned off by pressing and ...