Shifting from Two-Wheel Drive High to Four-Wheel Drive High

GMC Sierra / GMC Sierra Owners Manuals / Driving and Operating / Drive Systems / Four-Wheel Drive / Shifting from Two-Wheel Drive High to Four-Wheel Drive High

• Shifts between Two-Wheel Drive High and Four-Wheel Drive High can be made at any vehicle speed.

• Shift the transfer case lever in one continuous motion into either the Four-Wheel Drive High or Two-Wheel Drive High position.

• Shifting from Two-Wheel Drive High to Four-Wheel Drive High while the vehicle is in motion may require that moderate force be applied to the shift lever for a few seconds before Four-Wheel Drive High can be engaged, especially in cold weather.

• In extremely cold weather, it may be necessary to slow or stop the vehicle to shift into Four-Wheel Drive High.

• While in Four-Wheel Drive High, the vehicle can be driven at any posted legal speed limit.

    See also:

    CD/DVD Player Messages
    Disc Format Error: This message displays if the disc is inserted with the disc label wrong side up, or if the disc is damaged. Disc Region Error: This message displays if the disc is not from a corre ...

    Tires
    Use a stiff brush with tire cleaner to clean the tires. Notice: Using petroleum-based tire dressing products on the vehicle may damage the paint finish and/or tires. When applying a tire dressing, al ...

    Engine Overheating
    The vehicle has several indicators to warn of engine overheating. There is an engine coolant temperature gauge on the instrument panel cluster. See Engine Coolant Temperature Gauge on page 5‑1 ...