MG ZS Manual page 181

Anti-theft Alarm Sounder
If the anti-theft alarm has been activated the sounder will
operate 10 times, each for 30 seconds. Pressing the lock
or unlock button on the remote key will stop the horn
sounding.
STARTING & DRIVING
Interior Lock Switch
1 Lock Switch
2 Unlock Switch
When the anti-theft alarm system is not in operation, press
the lock switch (1) to lock all doors; press the unlock
switch (2) to unlock all doors.
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