For best results, use an automatic car wash as a pre-wash. Then finish the job with a thorough hand wash at home ... Shake well, then spray directly onto the surface. Wait 10 seconds or so ...

The underbody spray is often an added charge ... This is a great time for a hand wash, immediately followed by applying ...

After washing your car, you would need to wait for it to dry before applying conventional products. But with a wash wax spray, you can do it while the car is drying. Wash wax sprays can perform ...