Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to wash an rv [title] Climb onto your roof using a ladder so you can scrub it down. [step] You can clean your roof the easiest by getting on top of it. Use the ladder attached to your rv if you have one, or set up a ladder next to the back of your rv and climb on top.

Ending1: Be careful when you climb the ladder! Bring your cleaning supplies with you, or have a friend hand them to you after you get on top. [title] Clean with a pre-wash and non-abrasive cleaner if you have a metal rv. Ending2: [title] Scrub under a hose if you have one. [step] If you have a 10 gallon (355 liter) rv you can use a hose hose attachment on your rv. Ending3: [title] Check the front and back tires for built up oil (or gunk). [step] Look for any oil leaks, grinds, or rubber deposits on the rear tires. Ending4: You can use a medium-sized rig to scrub the roof down. [substeps] If you have a 1000 square foot rv, it may take several tries.

Answer format: ending1/ending2/ending3/ending4