Crimestopper PASSLOCK-SL2 Passlock Bypass module
General Motors Passlock Data Bypass Kit VATS and Passlock I and II data bypass kit is for 482 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac and Saturn vehicles. it is self learning, no additional programming required, no key required. It includes 2 step programming procedure with simplified and fool-proof installation instructions. The self learning algorithm allows the module to detect the type of vehicle and adjusts automatically.