GMC CHEVROLET Silverado 1500 2021 Owner's Manual page 18

4. Place the new transmitter in the
transmitter pocket/insert.
5. Press ENGINE START/STOP. When the
transmitter is learned, the DIC display
will show that it is ready to program the
next transmitter.
6. Remove the transmitter from the
transmitter pocket and press
the transmitter.
To program additional transmitters,
repeat Steps 4 6.
When all additional transmitters are
programmed, press and hold ENGINE
START/STOP for approximately
12 seconds to exit programming mode.
7. Return the key back into the transmitter.
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 transmitters to be
programmed must be with you.
1. Remove the vehicle key from the
transmitter.
2. Insert the vehicle key into the key lock
cylinder on the driver door handle; then
turn the key counterclockwise, to the
unlock position, five times within
10 seconds.
The DIC displays REMOTE LEARN
or on
PENDING, PLEASE WAIT.
3. Wait for 10 minutes until the DIC
displays PRESS ENGINE START BUTTON TO
LEARN, then press ENGINE START/STOP.
The DIC will again display REMOTE LEARN
PENDING, PLEASE WAIT.
4. Repeat Step 3 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.
Keys, Doors, and Windows
Transmitter Pocket without Bucket Seats
(Lower Compartment)
Transmitter Pocket with Bucket Seats
17