Gmc 2004 Sierra User Manual download pdf (Page 191)

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101

The passenger’s temperature setting can be set to

match the driver’s temperature setting by pressing and

holding the AUTO button for four seconds. Both the

driver and passenger arrows will be displayed.

Automatic Operation

AUTO (Automatic): When automatic operation is

active the system will control the inside temperature, the

air delivery, and the fan speed.

Use the steps below to place the entire system in

automatic mode:

1. Press the AUTO button.

When AUTO is selected, the display will change to

show the current driver’s set temperature, delivery

mode and fan speed. Press the AUTO button again

within ﬁve seconds to display the passenger’s set

temperature.

If the driver and passenger’s temperature settings

are not the same, the opposite side temperature

setting will be displayed for an additional

ﬁve seconds. To make the passenger’s temperature

the same as the driver’s press and hold the

AUTO button for about four seconds.

When AUTO is selected, the air conditioning

operation and air inlet will be automatically

controlled. The air conditioning compressor will run

when the outside temperature is over about

40°F (4°C). The air inlet will normally be set to

outside air. If it’s hot outside, the air inlet may

automatically switch to recirculate inside air to help

quickly cool down your vehicle. The light on the

button will illuminate in recirculation.

2. Set the driver’s and passenger’s temperature.

To ﬁnd your comfort setting, start with a 74°F (23°C)

temperature setting and allow about 20 minutes

for the system to regulate. Turn the driver’s or

passenger’s side temperature knob to adjust the

temperature setting as necessary. If you choose the

temperature setting of 60°F (15°C) the system

will remain at the maximum cooling setting. If you

choose the temperature setting of 90°F (32°C)

the system will remain at the maximum heat setting.

Choosing either maximum setting will not cause

the vehicle to heat or cool any faster.

Be careful not to cover the sensor located on the

top of the instrument panel near the windshield. This

sensor regulates air temperature based on sun

load, and also turns on your headlamps.

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Comments to this Manuals

DarrickSkede 09 Mar 2024 | 20:32:57

Hello Guys, Glad to Join! :)

Gmc 2004 Sierra User Manual Page 191

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