Engine Co
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 miles), whichever occurs first.
The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating .
See also:
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
OnStar® Steering Wheel Controls
Your vehicle may have a Talk/Mute button that
can be used to interact with OnStar® Hands-Free
Calling.
On some vehicles, you may have to hold the
button for a few seconds and give the command
†...
Satellite Radio Antenna
The XM Satellite Radio antenna is located on the roof of the vehicle. Keep the
antenna clear of obstructions for clear radio reception.
If the vehicle has a sunroof, the performance of the XM syste ...