Front Axle :: Four-Wheel Drive :: Drive Systems :: Driving and Operating :: GMC Sierra Owners Manuals :: GMC Sierra | GMCia.com

Front Axle

GMC Sierra / GMC Sierra Owners Manuals / Driving and Operating / Drive Systems / Four-Wheel Drive / Front Axle

The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal.

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Transmission Messages
SERVICE 4 WHEEL DRIVE If the vehicle has four-wheel drive, this message may display if a problem occurs with the four-wheel-drive system. If this message appears, stop as soon as possible and turn of ...

Testing the Alarm
To test the alarm: 1. From inside the vehicle, lower the driver side window, and open the driver door. 2. Press . 3. Get out of the vehicle, close the door, and wait for the security light to go ou ...

Lamp Messages
TURN SIGNAL ON This message displays and a chime sounds if a turn signal is left on for 1.2 km (0.75 mile). Move the turn signal/multifunction lever to the off position. ...