1998 Mercury Cougar Keyless Entry Remote Fob Smart Key Programming Instructions
1. Turn the ignition from OFF to RUN 4 times within 6 seconds.
2. Turn the ignition OFF. The LED in the clock/trip computer will light up continuously to confirm programming mode.
3. Within 20 seconds, press any button on the first keyless remote. The LED in the clock will flash 4 times to confirm programming.
4. Within 20 seconds, press any button on second keyless remote.
5. Turn the ignition to RUN. The LED will turn off to indicate end of programming mode.