Fuel E85 (85% Ethanol)

Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).

See Fuel E85 (85% Ethanol) on page 9‑76. For all other vehicles, use only the unleaded gasoline described under Recommended Fuel on page 9‑74.

    See also:

    Overview
    The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck capability combined with greater off-road versatility. It is highlighted by a bold exterior design, enhanced all-terrain ...

    Accessories and Modifications
    Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions s ...

    Lane Departure Warning (LDW) Light
    For vehicles with the lane departure warning system, this light is located on the center of the instrument panel. This light briefly comes on green while starting the vehicle. If it does not, h ...