dial

The dial on the dashboard showed the car was nearly out of gas.

Turn the dial to Radio 4: my favourite show is on!

His hands were too fat to operate the dial on the telephone.

At the sound of the old familiar voice he spun around with something of the agility of a cat on hot bricks, and I saw that his dial, usually cheerful, was contorted with anguish, as if he had swallowed a bad oyster.