HAD MY CRUISE CONTROL SET AT 70 MPH ON MY DODGE RAM 1500 TRUCK AS I WAS APPROACHING AN 18 WHEELER I TAP MY BRAKE TO DISENGAGE MY CRUISE AND IT DIDN'T SO I TAPPED IT AGAIN AND SAME RESULTS AND THERE WAS CARS ON MY LEFT SO I HAD TO TAKE THE SHOULDER OF THE HIGHWAY I WAS APPLYING THE BRAKES AS HARD AS I COULD BUT I CONTINUED TO GAIN SPEED ( THE CRUISE WAS STUCK AND WOULD NOT DISENGAGE) AND HAD TO TAKE THE SHOULDER. I CONTINUED TO GAIN SPEED AND RAN OUT OF SHOULDER SO I HAD TO CUT LEFT BACK TO THE HIGHWAY AND HIT THE TRAILER OF THE 18 WHEELER. IT SLOWED ME DOWN AND I CUT BACK BEHIND THE TRAILER AND STARTED TO GAIN SPEED. THE 2 CARS THAT WAS TO MY LEFT HAD PASSED SO I CUT LEFT AND TURNED OFF THE KEY AND BEGAN TO SLIDE. I SLID ABOUT 100 FEET AND INTO THE MEDIAN. ALSO THE AIR BAGS NEVER DEPLOYED. MY TRUCK WAS TOTALED BUT FORTUNATELY THERE WAS NO INJURIES OTHER THAN A FEW BRUISES TO ME AND MY 2 PASSENGERS. THERE ALSO WAS NO INJURIES TO THE DRIVER OF THE 18 WHEELER. *TR