2014 GMC SIERRA 1500 air condition

Black plate (41,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
Instruments and Controls 5-41
Airbag System Messages
SERVICE AIR BAG
This message displays if there is a
problem with the airbag system.
Have your dealer inspect the
system for problems. SeeAirbag
Readiness Light on page 5-18 and
Airbag System on page 3-21 for
more information.
Security Messages
SERVICE THEFT DETERRENT
SYSTEM
This message displays when there
is a problem with the theft-deterrent
system. The vehicle may or may not
restart, so you may want to take the
vehicle to your dealer before turning
off the engine. See Immobilizer
Operation on page 2-13.
Steering System
Messages
POWER STEERING ASSIST
REDUCED DRIVE WITH CARE
This message may display if a
problem occurs with the electric
power steering system. If this
message appears, steering effort
maybe slightly higher than normal.
The vehicle is still safe to drive. Use
caution while in reduced assist
mode. See Steering on page 9-4.
SERVICE POWER STEERING
This message displays when there
is a problem with electronic power
steering. Take the vehicle to your
dealer for service. See Steering on
page 9-4.
Tire Messages
SERVICE TIRE MONITOR
SYSTEM
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays if a part on the
system is not working properly. The
tire pressure light also flashes and
then remains on during the same
ignition cycle. See Tire Pressure
Light on page 5-28. Several
conditions may cause this message
to appear. See Tire Pressure
Monitor Operation on page 10-63.
If the warning comes on and stays
on, there may be a problem with the
TPMS. See your dealer.
TIRE LEARNING ACTIVE
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays when the system
is relearning the tire positions on
your vehicle. The tire positions must
be relearned after rotating the tires
or after replacing a tire or sensor.

Black plate (42,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
5-42 Instruments and Controls
SeeTire Inspection on page 10-66,
Tire Rotation on page 10-67, Tire
Pressure Monitor System on
page 10-62, and Tire Pressure on
page 10-61.
TIRE PRESSURE LOW ADD
AIR TO TIRE
If equipped with the Tire Pressure
Monitor System (TPMS), this
message displays when the
pressure in one or more of the
vehicle's tires is low. This message
also displays with a vehicle picture
to indicate the location of the low
tire. The low tire pressure warning
light will also come on. See Tire
Pressure Light on page 5-28. You
can receive more than one tire
pressure message at a time. If a tire
pressure message appears on the
DIC, stop as soon as you can. Have
the tire pressures checked and set
to those shown on the Tire and
Loading Information label. See Tires
on page 10-51, Vehicle Load Limits
on page 9-16, and Tire Pressure on
page 10-61. The DIC also shows the tire pressure values. See
Driver
Information Center (DIC) (Base
Level) on page 5-30 orDriver
Information Center (DIC) (Uplevel)
on page 5-32.
Transmission Messages
4WD OFF
If equipped with four-wheel drive,
this message displays when the
four-wheel-drive system is
temporarily disabled due to an
overheated condition. The vehicle
will run in two-wheel drive when this
message is present. Once the
four-wheel-drive system cools down,
the message turns off and the
four-wheel-drive system returns to
normal operation.
4WD SHIFT IN PROGRESS
This message will display while the
four-wheel-drive system is shifting.
FOR 4WD LOW SLOW TO XXX
If a four-wheel drive shift into
Four-Wheel Drive Low is requested,
but the vehicle speed is too high,
this message will display until the
correct vehicle speed is reached.
FOR 4WD LOW SHIFT TO
NEUTRAL
If a four-wheel drive shift into
Four-Wheel Drive Low is requested,
and the vehicle speed is correct, but
the transmission is not in
N (Neutral), this message will
display until the transmission is
shifted to N (Neutral).
GRADE BRAKING OFF
This message displays when grade
braking has been disabled with the
Tow/Haul Mode button on the end of
the shift lever. See Tow/Haul Mode
on page 9-38, Automatic
Transmission on page 9-34, and
Cruise Control on page 9-57.

Black plate (15,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
Infotainment System 7-15
.For Android and BlackBerry
devices, check that the device is
paired with the vehicle, and
whether the device displays in
the Connected phone sources
list under the Phone icon from
the Home Page.
.For an iPhone, check that the
USB cable is connected to the
USB port and the screen is
unlocked.
.Close Pandora on the device
and launch again. Devices that
allow multitasking may require
an extra step to quit the Pandora
application. See the cell phone
manufacturer's user guide.
Thumbs Up or Thumbs Down
Error
If there is an error trying to rate a
track with the
,or-buttons, the
message “Thumbs Down Error” or
“Thumbs Up Error” will display.
Press OK to dismiss. Loss of Audio
Loss of Pandora audio can happen
in different ways:
.Weak or lost data connection.
.Device needs to be charged.
.Application needs to be
relaunched.
.Connection between phone and
radio lost.
.An iPhone is connected to both
Bluetooth and the USB port.
Playback can be resumed from
a loss of audio by double
tapping on the iPhone home
button then scrolling through the
icons to find an icon that allows
a change of flow between
Bluetooth and USB cable.
Volume and song selection may
be controlled using the
Infotainment controls or on the
phone/device. If Pandora is
selected and nothing is heard,check the volume setting on
both phone/device and the
Infotainment system.
Common Pandora Messages
Pandora Error/Please Check
Device: Not signed in or Pandora
is down for maintenance.
No Stations Available: No stations
are available on the Pandora server
through the connected device.
Action Unavailable. Please Check
Device Connection.: A few
conditions for loss of Internet
connection are:
.The connected device loses its
cellular connection.
.The device does not support
Internet connectivity.
.The device is not in the vehicle.
.The Bluetooth signal is lost.

Black plate (1,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
Climate Controls 8-1
Climate Controls
Climate Control Systems
Climate Control Systems (withHeater Only) . . . . . . . . . . . . . . . . . 8-1
Climate Control Systems (with Air Conditioning) . . . . . . . . . . . . . 8-3
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . . . 8-5
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-8
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Climate Control Systems
Climate Control Systems (with Heater Only)
With this system, the heating and ventilation can be controlled.
1. Fan Control
2. Air Recirculation
3. Air Delivery Mode Control 4. Defrost
5. TEMP (Temperature Control)

Black plate (3,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
Climate Controls 8-3
Climate Control Systems (with Air Conditioning)
With this system the heating, cooling, and ventilation can be controlled.
1. Fan Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Control
4. Defrost5. TEMP (Temperature Control)
6. Air Recirculation
7. Rear Window DefoggerTEMP (Temperature Control):
Turn clockwise or counterclockwise
to increase or decrease the
temperature inside the vehicle.
9(Fan Control):
Turn clockwise
or counterclockwise to increase or
decrease the fan speed. Turn the
knob all the way counterclockwise
to turn the fan off.
Air Delivery Mode Control: Press
Y,\,[, or-to change the
direction of the airflow. An indicator
light comes on in the selected mode
button.
Y(Vent): Air is directed to the
instrument panel outlets.
\(Bi-Level): Air is divided
between the instrument panel and
floor outlets.
[(Floor): Air is directed to the
floor outlets, with some air directed
to the windshield and side window
outlets.

Black plate (4,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
8-4 Climate Controls
-(Defog):This mode clears the
windows of fog or moisture. Air is
directed to the windshield, floor
outlets, and side window vents.
0(Defrost): Press to clear the
windshield of fog or frost more
quickly. Air is directed to the
windshield and the side window
vents. The system automatically
forces outside air into the vehicle
and the air conditioning compressor
will run, unless the outside
temperature is close to freezing.
Do not drive the vehicle until all the
windows are clear.
See Air Vents on page 8-8.
@(Recirculation): Press to turn
on recirculation. An indicator light
comes on. Air is recirculated to
quickly cool the inside of the
vehicle. It can also be used to help
reduce outside air and odors that
enter the vehicle.
A/C (Air Conditioning): Press to
turn the air conditioning system on
or off. An indicator light comes on to show that the air conditioning is
enabled. If the fan is turned off, the
air conditioner will not run. The A/C
light will stay on even if the outside
temperatures are below freezing.
Rear Window Defogger
K(Rear Window Defogger):
Press to turn the rear window
defogger on or off. An indicator light
on the button comes on to show that
the rear window defogger is on.
The rear window defogger only
works when the ignition is in ON/
RUN. The rear window defogger
stays on for approximately
10 minutes after the button is first
pressed. Each subsequent press,
the rear window defogger stays on
for five minutes. The defogger also
turns off if the ignition is turned to
ACC/ACCESSORY or LOCK/OFF.
{Caution
Using a razor blade or sharp
object to clear the inside rear
window can damage the rear
window defogger. Repairs would
not be covered by the vehicle
warranty. Do not clear the inside
rear window with sharp objects.

Black plate (5,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
Climate Controls 8-5
Dual Automatic Climate Control System
With this system the heating, cooling, and ventilation in the vehicle can be
controlled.
1. Driver Temperature Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Fan Control
5. Defrost
6. Passenger Temperature Control7. AUTO (Automatic Operation)
8. Air Recirculation
9. Power Button
10. Rear Window Defogger
11. SYNC (Synchronized
Temperature) Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, and recirculation in
order to heat or cool the vehicle to
the desired temperature.
When the indicator light is on, the
system is in full automatic operation.
If the air delivery mode or fan
setting is manually adjusted, the
auto indicator turns off and displays
will show the selected settings.
To place the system in
automatic mode:
1. Press AUTO.
2. Set the driver and passenger
temperature.
To find your comfort setting, start
with 22°C (72°F) and allow the
system time to stabilize. Then
adjust the temperature as
needed for best comfort.
To improve fuel efficiency and to
cool the vehicle faster, recirculation
may be automatically selected in
warm weather.

Black plate (6,1)GMC Sierra Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
5853626) - 2014 - 3rd crc - 8/15/13
8-6 Climate Controls
The recirculation light will not come
on when automatically controlled.
Press
@to manually select
recirculation; press it again to select
outside air.
Do not cover the solar sensor on the
top of the instrument panel near the
windshield. This sensor regulates
air temperature based on sun load.
See “Sensors” later in this section.
Manual Operation
O(On/Off): Press to turn the
climate control system on or off.
Outside air still enters the vehicle,
and is directed to the floor. This
direction can be changed by
pressing the air delivery mode.
9(Fan Control): Turn clockwise
or counterclockwise to increase or
decrease the fan speed. Press the
knob to turn the fan off.
Press AUTO to return to automatic
operation. Driver and Passenger
Temperature Control:
The
temperature can be adjusted
separately for the driver and
passenger.
Turn the knob clockwise or
counterclockwise to increase or
decrease the driver or passenger
temperature setting.
SYNC (Synchronized
Temperature): Press to link the
passenger temperature setting to
the driver setting. The SYNC
indicator light will turn on. When the
passenger setting is adjusted, the
SYNC indicator light is off.
The driver side or passenger side
temperature display shows the
temperature setting increasing or
decreasing.
Air Delivery Mode Control: Press
Y,\,[, or-to change the
direction of the airflow. An indicator
light comes on in the selected mode
button. Changing the mode cancels the
automatic operation and the system
goes into manual mode. Press
AUTO to return to automatic
operation.
Y(Vent):
Air is directed to the
instrument panel outlets.
\(Bi-Level): Air is divided
between the instrument panel and
floor outlets. Some air is directed
toward the windshield and side
window outlets.
[(Floor): Air is directed to the
floor outlets, with some to the
windshield, side window outlets, and
second row floor outlets.
-(Defog): This mode clears the
windows of fog or moisture. Air is
directed to the windshield, floor
outlets, and side window vents. The
system automatically forces outside
air into the vehicle and the air
conditioning compressor will run,
unless the outside temperature is
close to freezing.