2015 GMC YUKON battery

The Keyless Access System enables operation of the doors and ignition wi\
thout removing the Remote Keyless Entry transmitter from a pocket or purse. The transmi\
tter must be within three feet of the door being unlocked or the liftgate.
Keyless Unlocking
With the transmitter within range:
Press the lock button on the driver’s door handle to unlock the driver’s door; press it again within 5 seconds to unlock all doors.
Press the lock button on a passenger door handle to unlock all doors.
Press the touchpad on the liftgate handle to open the liftgate.
Keyless Locking
With the ignition off, the transmitter out of the vehicle, and all doors closed:
Press the lock button on any door handle to lock all doors immediately.
If Passive Locking is turned on, all doors will lock automatically after a short delay once all doors are closed.
Note: To change the door lock and unlock settings, go to Remote Lock, Unlock, Start in the Vehicle Settings menu.
See Keys, Doors and Windows in your Owner Manual.
5F Optional equipment
Keyless access systemF
Keyless access startF
Starting the Engine
With the vehicle in Park or Neutral, press the brake pedal and then press and hold the ENGINE START/STOP button to start the engine.
Note: The transmitter must be in the vehicle to turn on the ignition. If the transmitter battery is weak, place the transmitter in the pocket in the center console to enable the engine to start. Replace the transmitter battery as soon as possible.
Stopping the Engine
Shift to Park and press the ENGINE START/STOP button to turn off the engine.
Accessory
With the engine off and the brake pedal NOT depressed, press the ENGINE START/STOP button to place the ignition system in the accessory position.
See Driving and Operating in your Owner Manual.