Cellular Phone Usage

Cellular phone usage can cause interference with the vehicle's radio.

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    Recommended Fuel
    Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when ...

    Going & Stopping
    The biggest drawback I found with the Yukon was the powertrain. A 380-horsepower, 6.2-liter V-8 is standard in the Denali, but it was sluggish in almost every passing situation I could simulate. T ...

    Transmission Messages
    SERVICE TRANSMISSION This message displays if there is a problem with the transmission. See your dealer. SHIFT TO PARK This message displays when the transmission needs to be shifted to P (Park). ...