WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

To initiate, this procedure requires that 2 learned transmitter be available.
A total of eight transmitters can be learned to a single vehicle.
This procedure adds transmitters only. The procedure does not erase previously learned transmitters.

Place the recognized transmitters in the vehicle cupholder.
Insert the mechanical key of the new transmitter into the key lock cylinder located on the outside of the driver door and turn the key to the unlock position five times within ten seconds. The Driver Information Center (DIC) will display Ready For Remote #2, 3, 4 or 5.

NOTE:

For the transmitter pocket location refer to the Remote Keyless Entry (RKE) System Operation document in the owner manual.

Place the new transmitter into the transmitter pocket.
Press and release the ignition mode switch. When the transmitter is learned, the DIC will indicate that it is ready to program the next transmitter.
Remove the transmitter from the transmitter pocket and press the transmitter unlock button. To program additional transmitters, repeat Steps 3 through 5.
When all additional transmitters are programmed, press and hold the ignition mode switch for 15 seconds to exit programming mode.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Adding Transmitters (Without SPS)

Use the Manual With the Right Hardware

When to See a Mechanic