1999 Mercury Cougar Key Fob Programming Instructions
- Turn the ignition from OFF to RUN 4 times within 6 seconds.
- Turn the ignition OFF. The LED in the clock/trip computer will light up continuously
to confirm programming mode.
- Within 20 seconds, press any button on the first keyless remote. The LED in the
clock will flash 4 times to confirm programming.
- Within 20 seconds, press any button on second keyless remote.
- Turn the ignition to RUN. The LED will turn off to indicate end of programming mode.