The car trunk is locked by a trunk lock, which functions through a trunk lock cylinder.
Trunk lock cylinder functionThe trunk lock cylinder on the vehicle is in charge of engaging the latch device that opens the trunk when you insert and rotate the key. The lock cylinder is vital to you and your vehicle's security. You must maintain the trunk lock cylinder in good shape to avoid having any security issues especially if you have any valuables in the vehicle.
Common issues with a malfunctioning trunk lock cylinderA malfunctioning trunk lock cylinder can cause the key to not go in all the way, difficulty turning the key when it goes in, or the lock cylinder will not engage when you turn the key.