THE IGNITION SWITCH FAILED ON 12/24/2015 WHILE I WAS DRIVING ON THE EAST BOUND I-80 IN CALIFORNIA. I WAS NOT ABLE TO USE THE BRAKES OR STEERING AND REAR ENDED THE TRUCK IN FRONT OF ME AT ABOUT 40 MILES PER HOUR. THE AIR BAGS DID NOT DEPLOY AND I WAS BALE TO START THE CAR AND DRIVE OFF THE HIGHWAY. SURPRISINGLY I HAD THE IGNITION SWITCH RECALL FOR MY KEYS MAILED TO ME IN AUGUST OF 2015 AND HAD THE CADILLAC DEALER IN RENO NV MODIFY MY KEY AND KEY RING ON 10/31/2015. BUT I DON'T THINK THE MODIFICATION WAS EVER PERFORMED SINCE THE IGNITION SWITCH FAILED TWO MONTHS LATER....UPDATED 02/02/16 *BF......UPDATED 05-10-16 *BF...UPDATED 07/13/16 *BF UPDATED 09/19/2017*JS *CN