Help center

How to use Rim Reader

Step-by-step guides for every job in the app, and what to do when something doesn’t go to plan.

New here? Start with Getting started

Fix a problem

• My lap won’t closeWhat Not Closed means, and the usual causes.
• It says Phone MovedThe two readings at a wheel disagreed.
• My calibration won’t saveThe reason it gives, and what to do.
• I need my car’s specsTyping them in, or using the generic targets.
• Which wedge do I need?The wedge finder works it out.
• Something elseEvery message the app shows, explained.

Set up

• Wedge and phoneChoose the wedge, fit the phone, check it can’t move.
• Bracket CalibrationA few minutes at a wall, every 30 days.
• Vehicles and specsAdd your car, scan the VIN, enter its specs.

Measure

• Before you measureThe checklist: safety, the car, the rims, the phone.
• Measure toeA lap round the car: the rest, the hold, each wheel.
• Add thrust angleTwo readings at each front door’s window.
• Add camberA second trip round the car: floor, top and side of the rim.

Results

• Read the resultConfidence, toe, steer-ahead, thrust, camber, the spec check.
• Adjust toe safelyWhich way to turn each tire, and doing it safely.
• History, reports and sharingCompare before and after, the PDF report, sharing.

Learn

• Alignment basicsToe, camber, thrust and steer-ahead in plain words.
• All 16 lessonsThe app’s animated lessons, to watch before you start.

Still stuck? Contact and support