TTY Users

OnStar has the ability to communicate to the deaf, hard-of-hearing, or speech-impaired customers while in the vehicle. The available dealer-installed TTY system can provide in-vehicle access to all of the OnStar services, except Virtual Advisor and OnStar Turn-by-Turn Navigation.

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    Balance in ride, handling
    With its choice of two powerful engines and strong body-on-frame construction, Rainier carries solid truck credentials. But its silky feel and performance on the road are more akin to a fine touri ...

    Automatic Transmission
    The automatic transmission has a shift lever located on the console between the seats. P (Park): This position locks the front wheels. It is the best position to use when starting the engin ...

    Front Turn Signal/Parking/Side Marker Lamps (Base and Up-Level)
    To replace the front turn signal, parking lamp, or sidemarker lamp: 1. For the driver side bulb, remove the windshield washer bottle filler neck by firmly pulling it straight up and out of the bottle ...