Deactivate or activate electronic chirp: 1/Sit in the driver's seat, keep the driver's door open, and pull the key out of the ignition switch. Then hold the rear side (unlock side) of the power door lock switch down and insert the key into the ignition switch. Do not release the power door lock switch. 2/Hold the rear side of the power door lock switch down and remove and insert the key from the ignition switch five times from within ten seconds from step one. 3/within ten seconds from step two, close the drivers door. 4/The hazard warning flasher will flash three times to verify that the audible signal has been turned off or on.