First I would ask if both transmitters are not providing an RF output, they have a special tool to measure the signal strengh for any remote. If neither one puts out a signal (assuming that the battery was replaced), then replace the transmitters. The relearn procedure is not difficult and does not require any special tools to activate them. This is what you do if you are doing it yourself.
If transmitter / door lock controller is replaced with a new one or additional transmitter(s) is necessary, program transmitter code(s).
1)Confirm that all doors are closed and ignition key is out of ignition key cylinder
2)Open driver side door.
3)Insert ignition key into ignition key cylinder within 10 seconds after step 2).
4)Remove ignition key from ignition key cylinder within 10 seconds after step 3).
5)Push and release driver side door switch (1) 3 times by hand within 20 seconds after step 4).
6)Insert ignition key into ignition key cylinder within 10 seconds after step 5).
7)Remove ignition key from ignition key cylinder within 10 seconds after step 6).
8)Press and hold “LOCK” and “UNLOCK” buttons (2) on transmitter (3) for 5 seconds or more within 20 seconds after step 6) and confirm that all doors are operated from lock to unlock.
9)Press “LOCK” or “UNLOCK” button (2) transmitter (3) within 5 seconds after step 8) and confirm that all doors are operated from lock to unlock.
With this process, transmitter code has been programmed.
10)If you want to program the additional transmitter, repeat the procedure from Step 1) through Step 9).
11)Make sure that keyless entry system properly operates by operating programmed transmitter(s).
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