If all the other electrical points in the car were not working properly also I would suspect the ignition switch. I under no circumstances recommend attempting to work on SRS system yourself they can be very dangerous
hard to press with your foot i think my car was involved in a accident a few years ago might have...
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HARD TO PRESS WITH YOUR FOOT I THINK MY CAR WAS INVOLVED IN A ACCIDENT A FEW YEARS AGO MIGHT HAVE SOMETHING TO DO WITH IT THE REV COUNTER IS ALSO SLOW TO COME BACK DOWN TO ZERO