GMC Chevrolet Express 2022 Owner's Manual page 115

114 Climate Controls
Heated Mirrors: If equipped with heated
outside mirrors, the mirrors heat to help
clear fog or frost from the surface of the
1
mirror when is pressed. See Heated
Mirrors 0 17.
Do not drive the vehicle until all the
windows are clear.
Caution
Do not use a razor blade or sharp object
to clear the inside rear window. Do not
adhere anything to the defogger grid
lines in the rear glass. These actions may
damage the rear defogger. Repairs would
not be covered by the vehicle warranty.
Rear Heating System
If equipped, the rear heating system lets
you adjust the amount of air flowing into
the rear of the vehicle, from the front
seating area. This feature works with the
main climate control system in the vehicle.
AUX : The thumbwheel for this system is on
the instrument panel below the audio
system.
9
: Turn the thumbwheel up or down to
increase or decrease the amount of heated
air sent to the rear seating area.
: This position supplies the most amount
of heat to the rear seating area.
c
: This position supplies half the amount
of heat to the rear seating area.
: This position supplies the least amount
of heat to the rear seating area.
9
: This turns the rear heating system off.
Rear Climate Control System
If equipped with a rear heating and air
conditioning system, it controls the
temperature, fan speed, and air delivery for
the rear seat passengers only. The front
climate control panel is in the overhead
console between the driver and front
passenger.