Kwikset SmartCode 916TRL Traditional Electronic Deadbolt with Zigbee Technology L03 Lifetime Polished Brass Grade 2 Electronic Mortise Locksets You can use the TA31 You can use the TA31 to reduce the time to extract the 7th CP byte from various VAG vehicles such as the Passat B6 CC where the extraction time is reduced to about a minute in all keys lost situations (when you have the first 6 CP bytes from the ECU) must have the numbers "0140" WITHOUT the letter "E" to the left of the lock switch and FCC ID part number must match with original remote Function Single Cylinder Deadbolt Door Prep 2 1 �8 " diameter face hole & 1� diameter latch hole Backset Adjustable 2 3�8 " or 2 3�4 " 30 user codes plus master code feature for added security