2020 GMC ACADIA key battery

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
8 Keys, Doors, and Windows
The key, inside the Remote Keyless
Entry (RKE) transmitter, can be
used for all locks.
To remove the key, press the button
near the bottom of the transmitter,
and pull the key out. Never pull the
key out without pressing the button.
If it becomes difficult to turn the key,
inspect the key blade for debris.
Periodically, clean with a brush or
a pick.
See your dealer if a new key is
needed.
Contact Roadside Assistance if
locked out of the vehicle. See
Roadside Assistance Program
0374.
With an active OnStar or connected
service plan, an OnStar Advisor
may remotely unlock the vehicle.
See OnStar Overview 0384.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 380.
If there is a decrease in the Remote
Keyless Entry (RKE) operating
range: .
Check the distance. The
transmitter may be too far from
the vehicle.
. Check the location. Other
vehicles or objects may be
blocking the signal.
. Check the transmitter's battery.
See “Battery Replacement” later
in this section.
. If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
The Keyless Access system allows
for vehicle entry when the Remote
Keyless Entry (RKE) transmitter is
within 1 m (3 ft). See “Keyless
Access Operation” following.
The RKE transmitter functions may
work up to 60 m (197 ft) away from
the vehicle.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
Keys, Doors, and Windows 11
any exterior handle to unlock the
doors or open the liftgate will cause
the turn signal lamps to flash four
times quickly, indicating access is
disabled. If disabled, disarm the
alarm system before starting the
vehicle.
Enabling Keyless Unlocking:
With the vehicle off, press and hold
QandKon the RKE transmitter at
the same time for approximately
three seconds. The turn signal
lamps will flash twice quickly to
indicate access is enabled.
Passive Locking
The vehicle will lock several
seconds after all doors are closed if
the vehicle is off and at least one
RKE transmitter has been removed
or none remain in the interior.
If other electronic devices interfere
with the RKE transmitter signal, the
vehicle may not detect the RKE
transmitter inside the vehicle.
If passive locking is enabled, the
doors may lock with the RKE transmitter inside the vehicle. Do
not leave the RKE transmitter in an
unattended vehicle.
To customize the doors to
automatically lock when exiting the
vehicle, see
“Remote Lock, Unlock,
Start” under Vehicle Personalization
0 146.
Temporary Disable of Passive
Locking
Temporarily disable passive locking
by pressing and holding
Kon the
interior door switch with a door open
for at least four seconds, or until
three chimes are heard. Passive
locking will then remain disabled
until
Qon the interior door is
pressed, or until the vehicle is
turned on.
Remote Left in Vehicle Alert
When the vehicle is turned off and
an RKE transmitter is left in the
vehicle, the horn will chirp three
times after all doors are closed. To
turn on or off, see Vehicle
Personalization 0146. Remote No Longer in Vehicle Alert
If the vehicle is on with a door open,
and then all doors are closed, the
vehicle will check for RKE
transmitters inside. If an RKE
transmitter is not detected, the
Driver Information Center (DIC) will
display NO REMOTE DETECTED
and the horn will chirp three times.
This occurs only once each time the
vehicle is driven.
To turn on or off, see
Vehicle
Personalization 0146.
Keyless Liftgate Opening
Press the touch pad on the liftgate
handle to open the liftgate if the
RKE transmitter is within 1 m (3 ft).
Key Access
To access a vehicle with a dead
transmitter battery, see Door Locks
0 17.
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed
to the vehicle will work. If a
transmitter is lost or stolen, a

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
Keys, Doors, and Windows 13
1. Remove the key lock cylindercap on the driver door handle.
See Door Locks 017. Insert
the vehicle key of the
transmitter into the key lock
cylinder on the driver door
handle and turn the key,
counterclockwise, to the unlock
position five times within
10 seconds.
The DIC displays REMOTE
LEARN PENDING,
PLEASE WAIT.
2. Wait for 10 minutes until the DIC displays PRESS ENGINE
START BUTTON TO LEARN
and then press ENGINE
START/STOP.
The DIC will again display
REMOTE LEARN PENDING,
PLEASE WAIT.
3. Repeat Step 2 two additional times. After the third time all
previously known transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the
next steps. The DIC should now display
READY FOR REMOTE # 1.
4. Place the new transmitter into
the transmitter pocket. The
transmitter pocket is under the
liner on the bottom of the
center console storage area.
Lift up the liner and set it aside.
5. Press ENGINE START/STOP. When the transmitter is
learned, the DIC will display
that it is ready to program the
next transmitter. 6. Remove the transmitter from
the transmitter pocket and
press the transmitter
KorQ
button.
To program additional
transmitters, repeat Steps 4–6.
When all additional transmitters
are programmed, press and
hold ENGINE START/STOP for
12 seconds to exit
programming mode.
7. Put the key back into the transmitter.
8. Replace the key lock cylinder cap. See Door Locks 017.
Starting the Vehicle with a Low
Transmitter Battery
When the vehicle is started, if the
transmitter battery is weak, the DIC
may display NO REMOTE
DETECTED or NO REMOTE KEY
WAS DETECTED PLACE KEY IN
TRANSMITTER POCKET THEN
START YOUR VEHICLE. The DIC
may also display REPLACE
BATTERY IN REMOTE KEY.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
14 Keys, Doors, and Windows
To start the vehicle:1. Open the center console storage area by opening the
armrest.
2. Lift up the liner from the bottomof the center console storage
area and set it aside, exposing
the transmitter pocket.
3. Place the transmitter in the transmitter pocket.
4. With the vehicle in P (Park) or N (Neutral), press the brake
pedal and ENGINE
START/STOP. Replace the transmitter battery
as soon as possible.
Battery Replacement
{Warning
Never allow children to play with
the RKE transmitter. The
transmitter contains a small
battery, which can be a choking
hazard. If swallowed, internal
burns can occur, resulting in
severe injury or death. Seek
medical attention immediately if a
battery is swallowed.
{Warning
To avoid personal injury, do not
touch metal surfaces on the RKE
transmitter when it has been
exposed to extreme heat. These
surfaces can be hot to the touch
at temperatures above 59 °C
(138 °F).
Caution
When replacing the battery, do
not touch any of the circuitry on
the transmitter. Static from your
body could damage the
transmitter.
Caution
Always replace the battery with
the correct type. Replacing the
battery with an incorrect type
could potentially create a risk of
battery explosion. Dispose of
used batteries according to
instructions and local laws. Do
not attempt to burn, crush, or cut
the used battery, and avoid
exposing the battery to
environments with extremely low
air pressures or high
temperatures.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
Keys, Doors, and Windows 15
Replace the battery in the
transmitter soon if the DIC displays
REPLACE BATTERY IN
REMOTE KEY.
To replace the battery:
1. Press the button on the side ofthe RKE transmitter near the
bottom and pull the key out.
Never pull the key out without
pressing the button.
2. Insert a flat, thin object in the center of the transmitter to
separate and remove the back
cover.
3. Lift the battery with a non-metalflat object.
4. Remove the battery.
5. Insert the new battery, positive side toward the back cover.
Replace with a CR2032 or
equivalent battery.
6. Push together the transmitter and reinsert the key.
Remote Vehicle Start
If equipped, this feature allows the
engine to be started from outside of
the vehicle.
/:This button will be on the RKE
transmitter if the vehicle has remote
start.
The climate control system will use
the previous settings during a
remote start. The rear defog may
come on during a remote start
based on cold ambient conditions.
The rear fog indicator light does not
come on during a remote start.
If the vehicle has heated or
ventilated seats, they may come on
during a remote start. See Heated
and Ventilated Front Seats 049.
If equipped with a remote start
heated steering wheel, the heated
wheel will turn on automatically in
remote start along with the heated
seats when it is cold outside. See
Heated Steering Wheel 0107.
Laws in some local communities
may restrict the use of remote
starters. For example, some laws
may require a person using remote
start to have the vehicle in view.
Check local regulations for any
requirements.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
18 Keys, Doors, and Windows
“Keyless Access Operation”in
Remote Keyless Entry (RKE)
System Operation 08.
Driver Door Key Lock Cylinder
Access (In Case of Dead
Battery)
To access the driver door key lock
cylinder:
1. Pull the door handle (1) to the open position and hold it open
until cap removal is complete.
2. Insert the key into the slot (3) on the bottom of the cap (2)
and lift the key upward. 3. Move the cap (2) rearward and
remove.
4. Use the key in the cylinder.
To replace the cap: 1. Pull the door handle (1) to the open position and hold it open
until cap installation is
complete.
2. Insert the two tabs (6) at theback of the cap between the
seal (5) and the metal base (4).
3. Slide the cap forward andpress the forward edge to
install the cap in place.
4. Release the door handle.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
22 Keys, Doors, and Windows
Manual Liftgate
To unlock the liftgate, pressKon
the power door lock switch or press
Kon the RKE transmitter twice
within five seconds. See Remote
Keyless Entry (RKE) System
Operation 08.
To open the liftgate, press the touch
pad on the bottom of the liftgate
handle and lift up.
Use the pull cup to lower and close
the liftgate. Do not press the touch
pad while closing the liftgate. This
will cause the liftgate to be
unlatched. If equipped with Keyless Access,
the liftgate can be opened when
locked if the RKE transmitter is
within 1 m (3 ft) of the touch pad.
See
Remote Keyless Entry (RKE)
System Operation 08.
The liftgate has an electric latch.
If the battery is disconnected or has
low voltage, the liftgate will not
open. The liftgate will resume
operation when the battery is
reconnected and charged.
Always close the liftgate before
driving.
Power Liftgate Operation
{Warning
You or others could be injured if
caught in the path of the power
liftgate. Make sure there is no one
in the way of the liftgate as it is
opening and closing.
Caution
Driving with an open and
unsecured liftgate may result in
damage to the power liftgate
components.
If equipped, the power liftgate
switch is on the driver door. The
vehicle must be in P (Park). The
taillamps flash when the power
liftgate moves.
The modes are:
. MAX: Opens to maximum
height.

GMC Acadia/Acadia Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13687875) - 2020 - CRC - 10/28/19
Keys, Doors, and Windows 27
If an RKE transmitter is again
detected within approximately 2 m
(6 ft) of the liftgate, or another
hands-free operation has been
detected, the one-minute timer will
be reset.
The projected logo will not work
under these conditions:
.The vehicle battery is low.
. The transmission is not in
P (Park).
. Hands Free Liftgate Control is
set to Off in vehicle
personalization. See Vehicle
Personalization 0146.
. The power liftgate is turned off. .
The vehicle remains parked for
72 hours or more, with no RKE
transmitter use or Keyless
Access operation. To re-enable,
press any button on the RKE
transmitter or open and close a
vehicle door.
The projected logo will not work for
a single RKE transmitter when a
transmitter:
. Has been left within
approximately 5 m (15 ft) of the
liftgate for several minutes.
. Has been left inside the vehicle
and all vehicle doors are closed.
. Has approached the area
outside of the liftgate five times
within 10 minutes. Lens Cleaning
Use a soft, damp cloth to clean the
recessed lens.