Find and remove the cause: Locate the object causing the puncture (like a nail or screw) and remove it if possible.Position the tyre: Move the car slightly so that the tyre's air valve is at the top half of the wheel.Prep the can: Shake the aerosol can vigorously for about 30 seconds to mix the inner contents thoroughly. If it is very cold, warm the can with your hands first.Connect the hose: Screw the clear extension tube firmly onto the tyre's air valve.Inject the sealant: Hold the can upright, open the protective cap, and press the actuator button down completely. The can will simultaneously inject a liquid latex sealant and gas to inflate the tyre. Empty the entire contents into the tyre