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 system may also turn on the headlamps when driving through a parking garage or tunnel.
See also:
Battery Voltage and Charging Messages
BATTERY LOW START VEHICLE
When the vehicle’s battery is severely discharged, this message will display and four chimes will sound. Start the vehicle immediately. If the vehicle is not started and t ...
SAFETY
The 2011 GMC Acadia, including the Denali trim, has been named a Top Safety
Pick by the Insurance Institute for Highway Safety. The Acadia received the top
score of Good in frontal-offset, side-im ...
Using the 3.5mm (1/8 in) Auxiliary Input Jack
The auxiliary input jack is located on the lower right side of the faceplate.
This is not an audio output; do not plug a headphone set into the front auxiliary input jack. Connect an auxiliary input ...





