Park on a flat surface and secure the vehicle
Loosen the lug nuts slightly before lifting the vehicle
Jack up the vehicle and remove the wheel
Inspect the tire for the puncture
Remove the object causing the leak if present
Mark the puncture location
Deflate the tire completely
Use a reamer to clean and roughen the puncture hole
Insert a plug or patch according to the repair kit instructions
Trim any excess plug material if needed
Reinflate the tire to the recommended pressure
Check for leaks with soapy water
Reinstall the wheel
Tighten the lug nuts in a star pattern
Lower the vehicle and fully tighten the lug nuts
Recheck tire pressure after a short drive