I WAS DRIVING HOME. THE ROAD WAS WET. BECAUSE OF THIS, I RELIED ON MY SPEEDOMETER TO MAKE SURE I AM GOING A BIT SLOWER THAN MY SPEED LIMIT. I DID NOT NOTICED UNTIL I HAD TO HIT MY BRAKES TO AVOID A STRAY DOG. MY CAR SKIDDED; I WAS GOING FASTER THAN WHAT THE GAUGE WAS SAYING (WHICH IS LOWER THAN ACTUAL SPEED) SINCE I HAD TO STOP ABRUPTLY, ANOTHER CAR REAR-ENDED ME. EVER SINCE THEN, THE GAUGE IS ALL OVER THE PLACE, BELOW 0 ABOVE ONE HUNDRED...THIS COULD HAVE COST ANOTHER LIFE, IF NOT MINE. *TR