Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
16
Keys, Doors, and Windows
2. Use the mechanical key
blade in the slot to remove
the battery cover by hand.
3. Remove the seal by pulling
on the tab to access the
battery.
4. Remove the old battery.
Do not use a metal object.
5. Insert the new battery,
positive side toward the
back cover. Replace with a
CR2450 or equivalent
battery.
6. Place the seal back into
the groove around the
battery compartment.
7. Reassemble the battery
cover by snapping it back
on the remote key.
8. Reinsert the
mechanical key.
Remote Vehicle Start
This feature allows the engine
to be started from outside the
vehicle. It is not available on
vehicles with a manual
transmission.
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
If equipped with a remote
start heated steering wheel, it
may come on during a remote
start. See Heated Steering
Wheel
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.