Keyless Access Remote Removal, Installation, and Test

NOTE:
If the doors do not lock or unlock with the remote, check the LED on the remote by pressing the lock or unlock button. If the LED does not come on, replace the remote battery.
If the doors unlock or lock with the remote, but the LED on the remote does not come on, the LED is faulty; replace the remote.
If any door is open, you cannot lock the doors with the remote.
If you unlocked the doors with the remote, but do not open any of the doors within 30 seconds, the doors relock automatically.
The doors will only lock or unlock with the remote if the power is in the OFF (LOCK) mode.

1. Remote - Test
1.
Open the remote and check for water damage.
If you find any water damage, replace the remote and register the new remote.
If there is no water damage, go to step 2.
2.
Replace the remote battery (A) with a new one (CR2032), and try to lock and unlock the doors with the remote by pressing the lock or unlock button at least 10 times:
If the doors lock and unlock, the remote is OK.
If the remote does not work after replacing the remote battery, verify that the correct battery was installed and the polarity is correct.
If the doors do not lock and unlock, go to step 3.
3.
Reprogram and register the remote, then try to lock and unlock the doors.
If the doors do not lock and unlock, substitute a known-good remote and recheck. If it still does not operating, replace the body control module.
If the doors lock and unlock, the remote is OK.
If the doors do not lock and unlock, try to program another vehicle using the remote.
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If the remote programs another vehicle, go to B-CAN System Diagnosis Test Mode A.
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If the remote will not program another vehicle, replace it.