Free Key Fob Remote Programming Instructions for a 2015 Chevrolet Sonic. Time needed: 5 minutes. INSERT a working flip key into the Ignition and TURN to the ON/RUN position (just shy of cranking engine). TURN the flip key to the OFF/LOCK position and REMOVE it. WITHIN 5 seconds, INSERT the NEW flip key into the Ignition and TURN to the ON/RUN .... Free Key Fob Remote Programming Instructions for a 2015 Chevrolet Sonic. Time needed: 5 minutes. INSERT a working flip key into the Ignition and TURN to the ON/RUN position (just shy of cranking engine). TURN the flip key to the OFF/LOCK position and REMOVE it. WITHIN 5 seconds, INSERT the NEW flip key into the Ignition and TURN to the ON/RUN .... "/>Chevy sonic key fob