MG GS Handbook page 182

Keyless Locking
After pressing START STOP button to stop the engine,
press the release button on the door handle once (it is
unnecessary to press the lock button on the remote key) to
lock all doors before leaving the car, the vehicle will enter
immobilisation alarm state.
Keyless Unlocking
Press the release button at driver door or front passenger
door once to unlock the door, and pull the door handle to
open the door.
168
Starting & Driving
After the door is locked by using the remote key,
press the release button on the door handle to unlock
the door. If the door cannot be unlocked or locked
normally, seek an MG Authorised Repairer.
IMPORTANT