Discovery I (LJ) V8-4.0L (1996)
Alarm System Transmitter: Service and Repair
Handset 96 Models, Battery Test
If vehicle does not respond to handset immediately, it may have lost synchronization. To re-synchronize, press either button, 4 times in quick succession.
If handset still fails to respond, check batteries. If batteries are okay, it may be necessary to use emergency key access.
NOTE: New handsets must be initialized using TestBook.