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.

    See also:

    Ride Control System Messages
    ALL WHEEL DRIVE OFF If your vehicle has the All-Wheel Drive (AWD) system, this message displays when the rear drive system is overheating. This message turns off when the rear drive system cools ...

    Bluetooth Controls
    Use the buttons located on the infotainment system and the steering wheel to operate the Bluetooth system. Steering Wheel Controls (Push To Talk): Press to answer incoming calls, confirm system ...

    AM-FM Radio and AM-FM Radio with CD Player
    To set the clock: 1. Turn the ignition key to ACC/ ACCESSORY or ON/RUN, then press the button to turn the radio on. 2. Press the button until the hour numbers begin to flash, then turn the knob t ...