Five Steps:

1. Release the top right clip on the drivers kneepad and then remove the bezel. Start at the top right corner and work you way around until all the clips have been released.
2. Lift the bezel out of the way,
3. Disconnect all wires and plugs to get more working space.
4. Place the BR137 in the cavity at the bottom right and press it against the rear wall. Use the bracket as a template to mark the four holes to be drilled on the cavity.Drill the four holes and fasten the bracket. Suggestion: use #10 x 1/2" sheet metal screws and drill the pilot holes with a 5/64" drill bit.
5. Reattach all wires and plugs and replace the bezel and kneepad.