1. Check the presence, security and operation of the horn control.





2. Operate the horn and note the volume and character of the sound emitted.

1. The horn control missing, insecure or not readily accessible to the driver

Note: Inform the driver if the horn is insecure



2. The horn

a. inoperative

b. is not loud enough to be heard by another road user

c. is a gong, bell or siren

d. has more than one tone

Note: When operated, a two or more tone horn automatically produces a sound which alternates at regular intervals between fixed notes

e. fitted to a vehicle first used on or after 1 August 1973, emits a sound which is

• not a continuous or uniform note
•harsh or grating.