The warning bell and the horn must start and then stop again.

Find the damaged areas.

Make sure that the pipe is not clogged.

Replace the defective pump.

Deflate the tire.

Make sure that the cabin pressure stays constant.

Compare the two indications.

Find the source of the fuel leakage.

Principal dimensions shall be shown upon the drawing.

Only apply very light pressure to the surface.

Release the SHORT-CIRCUIT TEST switch.