Exterior Lamps Off; Headlamp High; Reminder; Low-Beam Changer - GMC LYRIQ 2023 Owner's Manual

142 Lighting
The vehicle windshield is
dirty, cracked, or obstructed
by something that blocks the
view of the light sensor.
The vehicle is loaded in a
way that the front end
points upward, causing the
light sensor to aim high and
not detect headlamps and
taillamps.
The vehicle is being driven
on winding or hilly roads.
The Adaptive Headlight
system may need to be
disabled if any of the above
conditions exist.

Exterior Lamps Off

Reminder

A warning chime sounds if the
driver door is opened while
the vehicle is off and the
exterior lamps are on.

Headlamp High/

Low-Beam Changer

Push the turn signal lever
away from you and release, to
turn the high beams on. To
return to low beams, push the
lever again or pull it toward
you and release.
This indicator light turns on in
the instrument cluster when
the high-beam headlamps
are on.

Flash-to-Pass

To flash the high beams, pull
the turn signal lever toward
you, and release.

Daytime Running

Lamps (DRL)

DRL can make it easier for
others to see the front of your
vehicle during the day.
Fully functional DRL are
required on all vehicles first
sold in Canada.
The DRL come on when all of
the following conditions
are met:
The vehicle is on.
The exterior lamp control is
in AUTO.
The light sensor determines
it is daytime.
The taillamps, instrument
panel lights, and other lamps
will not turn on when this
feature is activated.
The DRL turn off when the
headlamps are turned to
the vehicle is off.
or