AstroAI S1 Tire Inflator Portable Air Compressor 12V DC, Digital Car Tire Pump 150 PSI, Preset Tire Pressure & Auto Shutoff, Electric Air Pump for Car Tires, Motorcycles, Bicycles, Other Inflatables

What should I do if the car tire inflator will not work properly ---Improper Operation

Ensure the plug is properly connected to the car's 12V cigarette lighter socket.

Ensure the preset tire pressure is higher than the current tire pressure.

Set the Desire Pressure first and then press ‘I’ to activate the air pump.

What should I do if the portable air compressor will not work properly ---Fuse not work

Check the vehicle cigarette lighter fuse, it should be rated at 15 A.

Check if the fuse is blown. Ensure the in-line fuse is secure and inserted correctly; A replacement fuse is included in the package.

What should I do if the air pump for car tires will not work properly ---Slow inflation

The inflation nozzle is not properly connected to the tires’ valve stem.

Excessive use will slow the inflation rate of the tire inflator. Let it cool for at least 10 minutes.

User Manual And Suppport are always stand-by

Pages 3-6 of the user manual have listed Precautions, Product Usage Steps, FAQ to help users to operate better. Please read carefully before use.

Note: This product cannot be powered by USB ports!

The product does not contain a battery and is powered by a 12V car cigarette lighter. It needs to be connected to the car cigarette lighter for use. This product cannot be powered by USB ports.