Make sure the compressor's power button is in the off position before starting.
Attach one end of the air hose to the compressor where the speed limit label is located. Unscrew the tyre valve's dust cap and attach the other end of the air hose to the tyre. Screw the air hose connector as far down the thread as possible.
Connect the compressor to the car's 12 V socket and ensure that the socket works and is supplying current.1
Start the compressor by pressing the power button.
Important
To avoid overheating, do not run the compressor for any longer than 10 minutes at a time.
Check the tyre pressure on the compressor's pressure gauge2. Use the pressure-reducing valve if the pressure is too high.
Turn off the compressor and unplug it from the 12 V socket.
Unscrew the air hose from the tyre.
Refit the tyre valve's dust cap.
Return the kit to its storage location.