Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
18 Keys, Doors, and Windows
2. Separate the two halves of
the remote key using a flat
tool inserted into the
bottom center of the
remote key. Do not use the
key slot.
3. Remove the old battery.
Do not use a metal object.
4. Insert the new battery on
the back housing, positive
side facing down. Replace
with a CR2032 or
equivalent battery.
5. Ensure that the silicone
mat is correctly positioned
with no gaps or wrinkles.
6. Set remote key button side
down on a hard surface
and press the other half
straight down to force the
halves together.
7. Reinsert the key.
Remote Vehicle Start
This feature allows the engine
to be started from outside of
the vehicle.
/ : This button is on the
remote key for remote start.
The climate control system will
determine the best mode and
temperature setting for
operation during the remote
start. Once the vehicle is
started with the ENGINE
START/STOP button, the
climate control system will
begin to operate at the last
customer selected operating
mode and temperature. The
rear defog may come on
during remote start based on
cold ambient conditions. The
rear fog indicator light does
not come on during remote
start.
If the vehicle has auto heated
or ventilated seats they may
come on during a remote start.
See Heated and Ventilated
Front Seats 0 53.
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