The paint-safe basics

  • Pre-rinse: remove loose grit first.
  • Two-bucket method: one for shampoo, one to rinse the mitt.
  • Top-down: leave the dirtiest bits until last.

A quicker 'good enough' version

If time is short, focus on the lower panels and wheels, keep the mitt clean, and dry properly. A quick wash done gently beats a 'perfect' wash done aggressively.