WHEN BRAKING TO A STOP THE VEHICLE SUDDENLY ACCELERATES LAUNCHING IT FORWARD WITH THE BRAKE APPLIED.THE TRANSMISSION SLAMS INTO 1RST GEAR JUST BEFORE COMING TO A STOP AFTER THAT MAKING THE VEHICLE SLIDE TO A STOP. THE PROBLEM CONTINUED TO GET WORSE. WAS TOLD BY DEALER ON 2/10/ 2015 THAT SURGE WAS INHERENT IN THESE VEHICLES WITH THIS TRANS MISSIONS. THERE ARE NO CHECK ENGINE LIGHTS ON OR WARNING LIGHTS FOR THIS PROBLEM.WE HAVE BEEN PUSHED TROUGH INTERSECTIONS IN FRONT OF LOGGING TRUCKS AND NARROWLY MISSED GETTING HIT ,THE LAST TIME WE HIT A SNOW BANK ACROSS THE ROAD AT A 3 WAY STOP AND DAMAGED THE FRONT SPOILER WHEN WE BOUNCED OFF. THE 2ND PROBLEM IS THE COMPLETE LOSS OF POWER WITH THE ENGINE RUNNING,IT WILL STOP GOING FORWARD AT ANY SPEED AND WILL NOT ACCELERATE EVEN TO THE FLOOR. THE ENGINE REMAINS RUNNING BUT THERE IS NO GO.THE ONLY WAY TO GET GOING IS TO STOP,TURN OFF IGNITION AND RESTART. THEN IT WILL ONLY GO A FEW MILES AND DO IT AGAIN.THE SERVICE TRANSMISSION LIGHT COME ON WHEN THIS HAPPENS.WE LOST POWER AT AN OFF/ ENTRANCE RAMP ON THE FREEWAY AND COULD NOT GET OUT OF THE WAY ON AN OVERPASS WITH NO SHOULDER AS IT WAS BANKED WITH SNOW.AGAIN WE NARROWLY MISSED BY LARGE TRUCKS AND OTHER VEHICLES. THAT WAS THE FIRST TIME THIS PROBLEM STARTED AND FOUND OUT YOU HAVE TO SHUT THE VEHICLE OFF TO REGAIN POWER,BUT THAT ONLY LAST FOR 10 MINUTES OF DRIVING TILL IT DOES IT AGAIN.THE VEHICLE WAS TAKEN TO DON'S AUTO CLINIC IN CADILLAC MICHIGAN MARCH 2ND, THEY CALLED AND DID A COMPUTER