Alarm System - Indicator Lamp Signals

Indicator Lamp Signals
► The indicator lamp under the rearview mirror inside the cabin flashes slowly: the vehicle is protected by the alarm system.
► The indicator lamp flashes when the vehicle is locked: a cabin door or the upper tailgate is not properly closed. Even if no action is taken, the alarm will arm the other vehicle systems, and after 10 seconds the indicator lamp will switch to slow flashing.
However, the interior monitoring system will remain switched off.
► The indicator lamp goes out when the vehicle is unlocked: no one disturbed the vehicle in your absence.
► After the vehicle is unlocked, the indicator lamp flashes for 10 seconds: someone showed interest in the vehicle in your absence.
After the alarm signal has been triggered, the indicator lamp returns to slow flashing.
Test yourself
A quick BMW X3 quiz: every answer comes with an explanation and a link to the manual page.