Description: The Audi A6 Push Button Ignition Switch (4G1-905-217-A) is a factory-original start/stop button for 2012–2018 Audi models. Mounted in the center console armrest and shifter area, it activates the ignition system with a single press. This genuine Audi OEM switch is built to original electrical and tactile specifications, restoring factory push-button start functionality with a direct replacement.