Cutlass Supreme FWD L4-138 2.3L DOHC QUAD 4 (1991)
Keyless Entry Transmitter: Service and Repair
Coding the Transmitter(s)
Coding The Transmitter
1. Open rear compartment lid and position carpet (next to the antenna) aside.
2. Access the program wire terminal.
3. Using a jumper wire with alligator clips, ground the wire terminal to the antenna.
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The door locks will automatically lock and unlock, indicating that the transmitter is in the programming mode.
Note: Any transmitter that was previously matched, has been erased.
4. With the system still grounded, press any button (only once) on the transmitter.
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The door locks will automatically lock and unlock, indicating that the transmitter code has been set.
Note: Pressing the button more than once prevents a second transmitter from being programmed. If this mistake is made and you wish to program a
second transmitter, unground wire and repeat steps 3 and 4.
5. If coding a second transmitter, repeat step 4.
6. Remove jumper wire.
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The system will not operate if the jumper wire is not removed.
7. Verify operation of the transmitter(s).
8. Properly position the carpet.