Safety

All-disc antilock brakes and daytime running lights are standard, but side-impact airbags are not available.

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    Powertrain details
    The GMC Sierra All Terrain HD concept is propelled by the new, production 6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination offered in the 2011 ...

    How to Wear Safety Belts Properly
    This section is only for people of adult size. There are special things to know about safety belts and children. And there are different rules for smaller children and infants. If a child will be rid ...

    Exterior Lighting
    The exterior lamps control is located on the instrument panel, to the left of the steering wheel. : Turns the automatic light control on or off. AUTO: Automatic operation of the headlamps at norm ...