OnStar®
OnStar OverviewEngine Overheating
The vehicle has an indicator to warn of the engine overheating. See Engine Coolant
Temperature Warning Light on page 5-18.
If the decision is made not to lift the hood when this warning appears, get service
help right away. See Roadside Assistance Program on page 13-5.
If the decision is made ...
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name, part number, or specification
can be obtained from your dealer.
Usage
Fluid/Lubricant
Engine Oil
Use only engine oil meeting the dexos1™ specification of the proper
SAE viscosity grade. L ...
Tire Chains
Warning
Do not use tire chains. There is not enough clearance. Tire chains
used on a vehicle without the proper amount of clearance can cause damage to the
brakes, suspension, or other vehicle parts. The area damaged by the tire chains
could cause loss of control and a crash.
Use another typ ...