Exterior Lighting - GMC 2010 Sierra Denali Owner's Manual

Reading Lamps
For vehicles with reading lamps in the overhead
console, press the button located next to the lamp to
turn it on or off.
The vehicle may also have reading lamps in other
locations. The lamps cannot be adjusted.
For more information about interior lamps, see:
Dome Lamps on page 4 13.
Reading Lamps on page 4 14.
Instrument Panel Brightness on page 4 13.
1-14

Exterior Lighting

O
: Turns off the automatic headlamps and daytime
running lamps (DRL). Turn the headlamp control to the
off position again to turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada, the off position will
only work when the vehicle is shifted into P (Park).
AUTO : Automatically turns on the headlamps, parking
lamps and taillamps.
; : Turns on the parking lamps and taillamps.
2 : Turns on the headlamps, parking lamps and
taillamps.
For more information, see:
Exterior Lamps on page 4 10.
Daytime Running Lamps (DRL) on page 4 11.
Fog Lamps on page 4 13.
The exterior lamps control
is located on the
instrument panel to the
left of the steering wheel.