Lock system operable with multiple keys

A key operated, lock actuating system having a housing and a lock cylinder that is pivotable relative to the housing around a first axis. An actuator assembly is pivotable around the first axis between a fully locked position and an unlocked position. The lock actuating system includes a first key having a first configuration and a second key having a second configuration. The first key can be used to change the actuator assembly between the locked and unlocked positions. The second key, which cannot be fully inserted to be operable with the actuator assembly in the locked position, can be used to change the actuator assembly between the unlocked position and an intermediate locked position.