battery GMC SIERRA 2021 Get To Know Guide

5
STARTING THE VEHICLE
With the vehicle in Park or Neutral, rotate the key clockwise to the Start position.
TURNING OFF THE VEHICLE
Shift to Park.
Push the key all the way in (1) and then rotate the key counter-clockwise to the Lock/Off position (2).
See Driving and Operating in your Owner’s Manual.
The Remote Keyless Entry transmitter (key fob) must be in the vehicle to turn on the ignition.
STARTING THE ENGINE/ON
With the transmission in Park or Neutral, press and hold the brake pedal and then
press the ENGINE START/STOP button
to start the engine. The green button
indicator will illuminate.
Note: If the key fob battery is weak, place the
key fob in the pocket in the center storage
compartment (under the bench seat) or center
console cupholders (bucket seats) to enable the
engine to start. Replace the key fob battery as
soon as possible.
STOPPING THE ENGINE/OFF
Shift to Pa rk and press the ENGINE START/STOP button to turn off the engine. The
green button indicator will turn off.
Power will be available for 10 minutes to operate the audio system until the driver’s
door is opened and to operate the windows and sunroof
F until any door is opened.
ACCESSORY MODE
With the engine off and the brake pedal not depressed, press the ENGINE START/
STOP button to place the ignition in accessory mode. The amber button indicator will
illuminate. Press and hold the ENGINE START/STOP button for several seconds to
place the ignition in Service Mode to operate additional systems.
See Driving and Operating in your Owner’s Manual.
F Optional equipment
KEYLESS (PUSHBUTTON) STARTF
KEYED IGNITION SYSTEM (If EquIppEd)
2
1

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.