Chocka: RV Leveling Checklist

Which wheel goes on the blocks, and how high? Lay your phone on the floor and Chocka answers for every wheel: front left 3.5 in on step 4, front right 2.25 in on step 2, rear left 1.25 in on step 1, rear right stays. It works from your own wheelbase and track and the steps of your own leveling blocks or ramps, and tells you how level the rig will sit once it’s on them. The bubble sits in the middle of your rig, so you can see which way it leans. TRAVEL TRAILERS TOO Two wheels and a tongue jack: which side goes up, and how far to wind the tongue jack up or down, worked out together so the second adjustment doesn’t undo the first. Single or tandem axle. HOLD IT, THEN WALK OUTSIDE Freeze the reading and take it to the wheel. A firm tap tells you when the rig comes level. CALIBRATE IN 20 SECONDS Two readings, one each way around, on any flat surface. Every phone’s tilt sensor is a little…