/didn't use to be lazy but I got ooold!
I use to change the oil in my cars and washed and waxed them every week and the underside and engine bay sparkled too. Even the spark plugs were changed often and the points and timing checked every week.
Waxing! not again. I used Mc Quires spray polish and spray synthetic wax.
Wash, polish, wash again, and then wax by spraying on and rubbing until it disappears with micro fiber towels. Not hard except when you are older than dirt.
Don't have Grand kids. Maybe I can rent some next time. Need teenagers who drive up in their cars for an example of their work!