Truck

Sounds of a vehicle braking system in which compressed air is used to transmit force to the brake pads on the wheels. The pneumatic system makes an abrupt hissing sound when the pressure is released by venting the air.

The sound of a pneumatic device mounted on large vehicles designed to create an extremely loud noise for signalling purposes.

The sound of an electronic warning device fitted to many commercial vehicles to alert pedestrians when the reverse gear is engaged, signaling that the vehicle is likely to move backwards.

Sounds of a commercial vehicle that serves as a mobile retail outlet for ice cream, usually during the summer. Ice cream vans often play a repeating nursery-rhyme-style melody from speakers mounted on the vehicle's exterior to attract customers.