See also:

Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check that the warning light turns off. *1: Open door warning buzzer: The open door warning buzzer sounds to alert one or mor ...

When receiving a phone call
 - Answering the phone Press the off-hook switch.  - Refusing the call Press the on-hook switch. ...

Horn
To sound the horn, press on or close to the mark. ...