OnStar Services

See also:

Calling for Assistance
When calling Roadside Assistance, have the following information ready: • Your name, home address, and home telephone number • Telephone number of your location • Location of the vehicle â ...

How to Add Coolant to the Radiator
WARNING: An electric engine cooling fan under the hood can start up even when the engine is not running and can cause injury. Keep hands, clothing, and tools away from any underhood electric fa ...

Head Restraints
The vehicle’s front seats have adjustable head restraints in the outboard seating positions. WARNING: With head restraints that are not installed and adjusted properly, there is a greater chan ...