Hydraulic Power Steering (3.0L V6 Engine)

If power steering assist is lost due to a system malfunction, the vehicle can be steered, but may require increased effort.

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    Curve Tips
    ○ Take curves at a reasonable speed. ○ Reduce speed before entering a curve. ○ Maintain a reasonable steady speed through the curve ○ Wait until the vehicle is out of the cu ...

    Security Light
    The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light tu ...

    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. ...