GMC Yukon Denalid Owner's Manual page 204

The exterior lamps control has four positions:
(Off): Turn the control to this position to
9
turn off the automatic headlamps and daytime
running lamps (DRL). Turning the headlamp
control to the off position again will turn the
automatic headlamps or DRL back on.
For vehicles first sold in Canada, the off position
will only work for vehicles that are shifted into
the PARK (P) position.
AUTO (Automatic): Turn the control to this
position to automatically turn on the headlamps at
normal brightness, together with the following:
•
Parking Lamps
•
Instrument Panel Lights
•
Taillamps
•
License Plate Lamps
204
(Parking Lamps): Turn the control to this
;
position to turn on the parking lamps together with
the following:
•
Instrument Panel Lights
•
Taillamps
•
License Plate Lamps
(Headlamps): Turn the control to this position
2
to turn on the headlamps together with the
following lamps listed below. A warning chime will
sound if you open the driver's door when the
ignition switch is off and the headlamps are on.
•
Parking Lamps
•
Instrument Panel Lights
•
Taillamps
•
License Plate Lamps