GMC 2003 Envoy - Manual (Page 149)

{Mode): Press Itiis button to rrranuaKy select ITie air
delivery mode lo the floor, instrument panel, or
Windshield ouUets. The system will stey in the selected
mode ufilil the mode button is pressed again or the
AUTO button is pressed.
Ortver'a Side Temperature Knob: Turn this knob
clocKwise or counterclockwise to manually raise or lower
Ihe lempcraliirg on the driver's side of the vehicle. The
rfispEgy will show the tempera!uro sailing decreasing or
increasing and the word “DRIVER" will light up. This fenoh
ggn also adjust the passenger's side tgmperalure setting
sitnullaneiiusly it the (wo ?ones are linked. The words
"DRI'VEF and PASS" will Ihen light up.
Passenger's E [de Tern peretu re Kno b: Tu m 1 hts knob
clockwise or counterclockwise to manualEy raise or lower
the tampenature on the passenger's side ol the vehiote.
The display wifi show the tqmperature settling decreasing
or iiocraaging and Ihe word "PASS" will light up. The
passenger's temperature setting can be set to match and
link to tha driver's temperalure selling by pros^ing and
holding the AUTO button for three seconds. By adjusling
the driver's side teimperaEure setting, the passenger’s
side temperature setting will tollcw and both “DRIVER
and PASS* v:i|l be displayed. The passenger's side
temperature setting also resets and relinks to ihe driver's
side iBmperalure setting if the vehicle has been off lor
more than iwo hours.
AUTO {AulomatJc}: When automalic oporaiion is
active, the syslem will
control the inside lemperatura,
the air delivery rTtode, and the fan spaed.
Use the steps below to place the enirre system in
automatic mode;
1. Press the AUTO button.
Whan AUTO is selected, the air conditioning
operation and air inlet will bp automalically
controllod- The air condilioning compressor will run
when Ihe outside temperature is over appronimately
40‘'F {4''C). The air inlet will normally ho sgt to
eulside air ff il's hot outside, tha air inlet will
aulomaticalliy swilch to recirculate inside air to help
quickly cool down your vehicle.
2. Set Ihe driver's and passenger’s temperature.
To find your COmfon setting, start wilh a 7£'’T (SE'^C}
temperature sewing and allow about 20 mmutea
far the system lo regulate. Turn ihe driver's or
passenger's aide temperaturo knob to adjust ihe
temparaturq setting as necessary. If you choose |he
temperature selling of E0"F
the system
will remain at the maximtum coding sotting, ;i you
choose (he temperature sorting of 90"F (32'^C),
Ihe system will retrain al the maximum heat setting.
Choosing either maximum setting may nd cause
Iho vehicle to heal or cool any faster.
Automatic Operation
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