See also:

Locking the passengers’ windows
1) Lock 2) Unlock To lock: Press the lock switch. When the lock switch is in the lock position, the passengers’ windows cannot be opened or closed. To unlock: Press the lock switch again. ...

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Automatic/Emergency Locking Retractor (A/ELR)
Each passenger’s seatbelt has an Automatic/ Emergency Locking Retractor (A/ ELR). The Automatic/Emergency Locking Retractor normally functions as an Emergency Locking Retractor (ELR). The A/ ELR has a ...