central locking
US /ˌsen.trəl ˈlɑː.kɪŋ/
UK /ˌsen.trəl ˈlɑː.kɪŋ/
1.
a system in a car by which all the doors can be locked or unlocked at the same time by pressing a button or turning a key in one door
:
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My car has central locking, so I can lock all doors with one click.
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The mechanic fixed the faulty central locking system.