2011 GMC Sierra 1500 Hybrid Review

See also:

Bulb Replacement
For the proper type of replacement bulbs, see Replacement Bulbs on page 10‑29. For any bulb-changing procedure not listed in this section, contact your dealer. ...

Automatic Headlamp System
When it is dark enough outside, the headlamps come on automatically. Do not cover the light sensor on top of the instrument panel or the headlamps will come on when they are not needed. The syst ...

Headlamp Aiming
The headlamp aiming system has been preset at the factory. If the vehicle is damaged in an accident, the aim of the headlamps may be affected and adjustment may be necessary. It is recommended tha ...