Priming/deactivating ATA (Anti-theft Alarm system)
Switching on
Close all doors.
Lock the vehicle with the key.
Indicator lamp 
in the overhead control panel flashes.
Switching off
Unlock the vehicle with the key.
or
Insert the key into the ignition lock.
Indicator lamp in the overhead control panel goes out.
Stopping the alarm
Press the 
or 
button on the key.
or button on the key. or
Insert the key into the ignition lock.
The alarm stops.