OnStar Services

See also:

Lock Sensor
Lock Sensor When all doors are closed and the ignition is off, the vehicle can be locked by pressing this area on the door handle. This feature will be available for several minutes after ...

Under the Hood
In all but the Ultra models, a standard 185-hp, 3.4-liter V-6 teams with a four-speed-automatic transmission. The Rendezvous Ultra gets a 245-hp, 3.6-liter V-6; this engine is optional in the CXL. ...

Servicing the Airbag-Equipped Vehicle
Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer and the service manual have information about servicing th ...