The PASSLOCK-SL2-V2 is a bypass module for General Motors cars. 

VATS and Passlock I & II data bypass kit for Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac and Saturn vehicles. Self learning, no additional programming required. 

Visit Fortin website to confirm it this fits your vehicle before purchasing.