Anti-Theft Alarm System, Activating
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, and 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
Anti-theft warning system is automatically switched on by locking the vehicle. Anti-theft alarm system is then activated immediately.
So that anti-theft alarm system does not trigger unnecessary alarms, close all windows and doors before locking the vehicle.