Gasoline Specifications (U.S. and Canada Only)

At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives on page 9‑75 for additional information.

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    Extending Engine Run Time
    For a 10-minute extension, repeat Steps 1 and 2 while the engine is still running. The remote start can be extended once. When the remote start is extended, the second 10 minutes will start immedia ...

    Taillamps, Turn Signal, Stoplamps, and Back-Up Lamps
    To replace one of these bulbs: 1. Open the tailgate. See Tailgate on page 2‑10 for more information. 2. Remove the two rear lamp assembly screws near the tailgate latch strikerpost and pull ...

    TTY Users
    OnStar has the ability to communicate to the deaf, hard&-ofhearing, or speech&-impaired customers while in the vehicle. The available dealer&-installed TTY system can provide in-vehicl ...