Chevrolet Trailblazer 2023 Owner's Manual page 17

16 Keys, Doors, and Windows
2. Insert the vehicle key of the new
transmitter into the key lock cylinder on
the outside of the driver door and turn
the key to the unlock position five times
within 10 seconds.
The DIC displays READY FOR REMOTE #2,
3, 4, etc.
3. Remove the two recognized transmitters
from the transmitter pocket. Place the
new transmitter in the transmitter
pocket.
4. Press ENGINE START/STOP. When the
transmitter is learned, the DIC display
will show that it is ready to program the
next transmitter.
5. Remove the transmitter from the
transmitter pocket and press the
transmitter or button.
To program additional transmitters,
repeat Steps 3 5.
When all additional transmitters are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
6. Put the key back into the transmitter.
7. Replace the key lock cylinder cap. See
Door Locks 0 20.
Programming without Recognized
Transmitters
If two currently recognized transmitters are
not available, follow this procedure to
program up to eight transmitters. This
feature is not available in Canada. This
procedure will take approximately
30 minutes to complete. The vehicle must
be off and all of the transmitters you wish
to program must be with you.
1. Remove the key lock cylinder cap on the
driver door handle. See Door Locks 0 20.
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 display will again show 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 display should now show READY
FOR REMOTE # 1.