OnStar Services

See also:

Battery
Refer to the replacement number on the original battery label when a new battery is needed. WARNING Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals k ...

Door Locks
To lock or unlock the vehicle from the outside, press or on the Remote Keyless Entry (RKE) transmitter. There is a power door lock switch on the instrument panel. There are power door lock s ...

Grade Braking (6-Speed Automatic Transmission)
The Grade Braking shift modes can be activated by pressing the button on the end of the shift control lever. While in Range Selection Mode, Grade Braking is deactivated allowing the driver to select ...