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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Automatic Dimming
If equipped with an automatic dimming mirror, the driver outside mirror adjusts for the glare of the headlamps behind you. See Automatic Dimming Rearview Mirror on page 2‑17. ...

High-Beam On Light
The high-beam on light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer on page 6‑2 for more information. ...

Rear Safety Belt Comfort Guides
This vehicle may have rear shoulder belt comfort guides. If not, they are available through your dealer. The guides may provide added safety belt comfort for older children who have outgrown booster s ...