Shake can well before use. Remove dust cap from the tyre and attach the tube to the air valve. Activate the can and allow it to empty. Drive the car directly home where practical. Do not exceed 40 mph or 65 Km/h. It is not a permanent repair, tyres should be inspected by a trained technician and either be repaired or replaced. Drive the car slowly for 20 minutes to allow the foam to find the puncture and seal it. Guaranteed for use up to 1 year after manufacture.