Toyota tire Inflator @ 2950 The Toyota tire inflator is a compact, 12V portable air compressor designed for roadside emergencies and routine pressure maintenance . Position the vehicle: Park the car on a safe, level surface and engage the parking brake. Connect power: Plug the inflator’s power cord directly into your vehicle's 12V socket. It is recommended to keep the engine running to prevent battery drain. Attach to tire: Remove the tire's valve cap and screw the inflator hose securely onto the valve stem clockwise until snug. Set pressure: Turn on the device and use the digital controls to set your desired PSI or Bar.