2020 CADILLAC CT5 Battery

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
8 KEYS, DOORS, AND WINDOWS
The key inside the remote key is used
for the driver door and glove box.To remove the mechanical key, press
the button on the side of the remote
key near the bottom, and pull the
mechanical key out. Never pull the
mechanical 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 pick.
See your dealer if a new mechanical
key is needed.
Contact Roadside Service if locked out
of the vehicle. See
Roadside Service
0 328.
With an active OnStar or connected
service plan, an OnStar Advisor may
remotely unlock the vehicle. See
OnStar Overview 0338.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement 0334.
If there is a decrease in the remote
key operating range:
. Check the distance. The remote
key may be too far from the
vehicle.
. Check the location. Other vehicles
or objects may be blocking the
signal.
. Check the remote key battery. See
“Battery Replacement ”later in this
section.
. If the remote key 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 key is
within 1 m (3 ft). See “Keyless Access
Operation ”later in this section.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
12 KEYS, DOORS, AND WINDOWS
Remote Key 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 a remote key
inside. If a remote key is not detected,
the Driver Information Center (DIC)
will display NO KEY FOUND and the
horn will chirp three times.
This occurs only once each time the
vehicle is driven. SeeVehicle
Personalization 0124.
Keyless Trunk Opening
Press the touch pad on the rear of the
trunk above the license plate if the
remote key is within 1 m (3 ft).
Mechanical Key Access
To access a vehicle with a weak
remote key battery, see Door Locks
0 16.
Programming Remote Keys to
the Vehicle
Only remote keys programmed to the
vehicle will work. If a remote key is
lost or stolen, a replacement can be
purchased and programmed through your dealer. The vehicle can be
reprogrammed so that lost or stolen
remote keys no longer work. Each
vehicle can have up to eight remote
keys matched to it.
Programming with Recognized
Remote Keys
A new key can be programmed to the
vehicle when there are two
recognized keys.
To program, the vehicle must be in
RUN and all remote keys, both
currently recognized and new, must
be with you.
1. Place the two recognized remote keys on the passenger seat.
2. Scroll to the DIC menu to "Remote Key Learn" menu and
select.
The DIC displays READY FOR
REMOTE #3, 4, 5, ETC.
3. Place the new remote key intothe rear cupholder.
4. Press ENGINE START/STOP. When the remote key is learned,
the DIC display will show that
the remote key has been
programmed.
5. Remove the remote key from the rear cupholder and press
KorQ
on the remote key.
To program additional remote
keys, repeat Steps 3–5.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
KEYS, DOORS, AND WINDOWS 13
When all additional remote keys
are programmed, press and hold
ENGINE START/STOP for
approximately 12 seconds to exit
programming mode.
Programming without Recognized
Remote Keys
If two currently recognized remote
keys are not available, see your dealer
to program new remote keys.
Starting the Vehicle with a Low
Remote Key Battery
For improved vehicle security, the
remote key is equipped with a motion
sensor. When starting the vehicle,
if the remote key has been idle for a
while, the DIC may display KEY IN
SLEEP MODE, MOVE KEY, THEN
START. Move the remote key slightly
and try starting the vehicle. When
starting the vehicle, if the remote key
battery is depleted or there is signal
interference, the DIC may display NO
KEY FOUND, REPLACE BATTERY IN
KEY or NO REMOTE KEY WAS
DETECTED PLACE KEY IN KEY POCKET THEN START YOUR
VEHICLE, follow the steps shown
below:
1. Place the remote key into the
rear cupholder.
2. With the vehicle in P (Park) or N (Neutral) press the brake pedal
and ENGINE START/STOP.
Replace the remote key battery
as soon as possible.
Battery Replacement
{Warning
Never allow children to play with
the remote key. The remote key
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 remote
key when it has been exposed to
extreme heat. These surfaces can be
hot to the touch at temperatures
above 59 °C (138 °F).

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
14 KEYS, DOORS, AND WINDOWS
Caution
When replacing the battery, do not
touch any of the circuitry on the
remote key. Static from your body
could damage the remote key.
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.
Replace the battery if the DIC displays
REPLACE BATTERY IN KEY.
1. Press the button on the side of the remote key near the bottom
and pull the mechanical key out.
Never pull the mechanical key
out without pressing the button.2. Use the mechanical key blade inthe slot to remove the battery
cover by hand.
3. Turn the remote key over.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
KEYS, DOORS, AND WINDOWS 15
4. Remove the battery cover.
5. Remove the seal by pulling onthe tab to access the battery.
6. Remove the old battery. Do not use a metal object.
7. Insert the new battery, negative side facing down. Replace with a
CR2450 or equivalent battery.
8. Replace the seal, pushing it into the groove around the battery
compartment.
9. Replace the battery cover by snapping it back into the
remote key.
10. Reinsert the mechanical key.
Remote Vehicle Start
This feature allows the engine to be
started from outside the vehicle.
S: This button on the remote key is
for remote start.
The climate control system will use
the previous settings during a remote
start. The rear window defogger may
come on during remote start based on
cold ambient conditions. The rear
defog indicator light does not come on
during remote start.
If equipped, the heated and ventilated
front seats may also come on when
the vehicle personalization setting is
enabled. See Heated and Ventilated
Front Seats 046.
If equipped with a remote start heated
steering wheel, it may come on during
a remote start. See Heated Steering
Wheel 094.
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. If your vehicle is low on fuel, do not
use the remote start feature. The
vehicle may run out of fuel.
The remote key range may be shorter
while the vehicle is running.
Other conditions can affect the
performance of the remote key. See
Remote Keyless Entry (RKE) System
0
8.
You are allowed multiple starts
totaling 30 minutes of engine run
time. The maximum run time of a
single start is 15 minutes, and it will
shut off automatically. You could do
three 10 minute starts, if you
manually shut off after 10 minutes.
The last 10 minute start would shut
off automatically as your total
30 minutes will have been used.
Starting the Engine Using Remote
Start
1. Press
Stwice on the remote
key. The turn signal lamps will
flash. The lamps flash to confirm
the request to remote start the
vehicle has been received. During
the remote start, the doors will

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
KEYS, DOORS, AND WINDOWS 17
Warning (Continued)
.Outsiders can easily enter
through an unlocked door
when you slow down or stop
the vehicle. Locking the doors
can help prevent this from
happening.
Always take your remote key with you
when exiting the vehicle to prevent
being locked out. To lock or unlock
the doors from outside the vehicle:
. Press
QorKon the remote key.
See Remote Keyless Entry (RKE)
System Operation 08.
. Use the mechanical key in the
driver door. The key lock cylinder
is covered with a cap.
See “Driver Door Key Lock
Cylinder Access (In Case of Dead
Battery)” later in this section.
To lock or unlock the doors from
inside the vehicle:
. Press
QorKon the power door
lock switch. .
Pull the front door handle once to
open the door. Pull the rear door
handle once to unlock and once
more to open the door.
Keyless Access
The remote key must be within 1 m
(3 ft) of the trunk or door being
opened or locked. To unlock and
unlatch any door, press the release
button on the inside grip area of the
outside door handle. Touch the sensor
on the front outside door handle to
lock. See “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 and unlatch the door:1. Insert the mechanical key into
the slot at the bottom of the
handle and push upward all the
way until the cover frees. Do not
pry or pull on the key.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
KEYS, DOORS, AND WINDOWS 21
Warning (Continued)
set the fan speed to the
highest setting. See“Climate
Control Systems” in the Index.
. If the vehicle is equipped with
a power liftgate, disable the
power liftgate function.
See Engine Exhaust 0172.
Manual Trunk
To release the trunk, the vehicle must
be off or in P (Park).
.
Press|on the driver door. .
Press
Xtwice quickly on the
remote key.
. Press the touch pad on the rear of
the trunk above the license plate
when all doors are unlocked.
The trunk can be opened while the
vehicle is locked by pressing the touch
pad above the license plate while the
remote key is within 1 m (3 ft) of the
rear of the vehicle. See Remote Keyless
Entry (RKE) System Operation 08.
Close the trunk by pulling on the
handle. Do not use the handle as a
tie-down. Do not press the touch pad
while closing the trunk; this will cause
the trunk lid to be unlatched.
The trunk has an electric latch. If the
vehicle has lost power or the battery
is disconnected, the trunk will not
open. If this happens, use the
emergency trunk release handle.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-13060105) -
2020 - CRC - 2/14/20
KEYS, DOORS, AND WINDOWS 23
If a remote key is again detected
within approximately 2 m (6 ft) of the
trunk, 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 Trunk Control is set to
Off in vehicle personalization. See
Vehicle Personalization 0124.
. The vehicle remains parked for
10 days or more, with no remote
key use or Keyless Access
operation. To re-enable, press any
button on the remote key or open
and close a vehicle door. The projected logo will not work for a
single remote key when a remote key:
.
Has been left within
approximately 2 m (6 ft) of the
trunk for several minutes.
. Has been left inside the vehicle
and all vehicle doors are closed.
. Has approached the area outside
of the trunk five times within
several minutes. Lens Cleaning
Clean the recessed lens with a
cotton swab.