Cleaning Exterior Lamps/Lenses

Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses.

Follow instructions under "Washing the Vehicle" later in this section.

    See also:

    New for 2011
    The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear. ...

    Power Sliding Rear Window
    On vehicles with a power sliding rear window, the switch is located in the overhead console. See Rear Windows on page 2‑19. • Push the switch to open the window. • Pull the switch to c ...

    Using the “Delete All Name Tags” Command
    This command deletes all stored name tags in the Hands-Free Calling Directory and the OnStar Turn-by-Turn Destinations Directory, if equipped. To delete all name tags: 1. Press and hold for two sec ...