climate control GMC SIERRA 2021 Get To Know Guide

3
Read your Owner’s Manual to
learn about the information being
relayed by the lights, gauges and
indicators on the instrument cluster.

See Introduction in your
Owner’s Manual.
Driver’s Heated/ Ventilated Seat Buttons
F
Infotainment
System (8-inch* screen shown
F) Passenger’s Heated/
Ventilated Seat ButtonsF
Infotainment System
Controls Climate
Controls
F
USB Ports/
Accessory Power Outlet/120-Volt Power Outlet
F
Integrated
Trailer Brake Control
F
Wireless
Charging Pad
F
Lane Keep AssistF/
Park AssistF/Auto Engine
Stop-Start Disable/Power Release Tailgate
F/
Hazard Warning Flashers Buttons
F Optional equipment *Screen measured diagonally
Traction Control-StabiliTrak Off/
Power Outlet
F/Hill
Descent ControlF/
Power WindowsF/
MultiPro Power Assist Steps
F Buttons
Vehicle Ahead
Antilock Brake System
Low Tire Pressure
Door Ajar
Charging System
Driver Seat Belt Reminder
2 Passenger Seat Belt
Reminder

AU TO 4WD Mode

6
SET MEMORY POSITIONS
1. With the vehicle in Park, adjust the driver’s seat and power outside mirrorsF to the desired positions.
2. Press and release the SET button on the driver’s door. A beep will sound.
3. Immediately pres s and hold button 1 or 2 until two beeps sound. Use the button that
matches the Driver Information Center welcome message indicating driver 1 or 2 (key
fob 1 or 2).
To store a seat position for more clearance when exiting the vehicle, repeat these steps
using the
Exit button instead of button 1 or 2.
RECALL POSITIONS
Press and hold button 1 or 2 or Exit
until the set position is reached.
The memory/exit positions can be pro -
grammed to be recalled automatically
when the ignition is turned on/off (for exit
recall, the driver’s door must be opened).
To set the automatic recall options, go
to Settings > Vehicle > Seating Position
> Seat Entry Memory and Seat Exit
Memory.
POWER FRONT SEATSF
F Optional equipment
AUTO ENGINE STOP/START OPERATION
The fuel-saving Engine Stop/Start system automatically turns off the engine, referred to
as an Auto Stop, when the brake pedal is pressed and the vehicle is at a complete stop,
if certain operating conditions are met. In Auto Stop mode, the tachometer will read
AUTO STOP. When the brake pedal is released or the accelerator pedal is pressed, the
engine will restart. After parking the vehicle and turning off the engine, the tachometer
will read OFF.
The engine may remain running or restart when the vehicle is stopped if:
• A minimu m vehicle speed is not reached.
• The engine or transmiss ion is not at the required operating temperature.
• The outside temperature is not in the required operating range.
• The shift lever is in any gear other than Drive (D).
• The battery charge is low.
• The climate control system requires the engine to run based on the current settings.
• The Auto Stop has reach ed the maximum allowed time.
AUTO ENGINE STOP/START DISABLE
Press the $ button on the center of the instrument panel when the engine is run -
ning to disable the auto engine stop/start system. The button indicator will turn off.
The auto engine stop/start system is enabled each time the vehicle is started.
See Driving and Operating in your Owner’s Manual.
See Seats and Restraints in your Owner’s Manual.

8F Optional equipment
VEHICLE CUSTOMIZATIONF
Some features can be turned on/off or cus tomized using the Settings menus on the infotainment screen. The Settings
menus include System, Apps, and Vehicle.
1. Select Settings on the Home page.
2. Select the desired menu tab.
3. Select the desired feature and setting.
4. Press
BACK to exit each menu.
See Instruments and Controls in your Owner’s Manual.
CLIMATE CONTROLS/VEHICLE CONTROLSF
AUTO
Driver’s Temp. Control/
Automatic
Operation
F
SYNC
Passenger’s Temp.
Control/Syncronize
passenger’s setting to driver’s setting
F
AC/ Air Conditioning/
Recirculation Mode Fan Speed/ On/Off
Air Delivery
Modes: Defog Vent Floor
MA X/REAR Defrost Mode/Rear
Window-Heated
Outside Mirror Defog
F
Park
Assist
On/Off
F
Lane Keep Assist
On/Off
F
Hill
Descent Control
On/Off
F
Power
Assist Steps
On/Off
F
$ Auto Engine Stop/Start Disable
On/Off Press to
lower the tailgate Cargo Box
Power Outlet On/Off
F
(Ignition
must be On)
Hazard
Warning
Flashers On/Off Traction
Control/
StabiliTrak On/Off
Dual automatic climate controlsF shown
See Introduction in your Owner’s Manual.