Loosen the bolts in a crisscross pattern in several steps, then remove the final driven gear (A) from the differential carrier (B).

Install the final driven gear with the chamfer on the inside diameter facing the carrier. Tighten the bolts in a crisscross pattern in several steps.
Audio Control Display
Press the AUDIO button to display the audio system on the
navigation screen.
...
Steering Rack Guide Adjustment
Special Tools Required
Locknut Wrench, 40 mm 07MAA-SL00100, 07916-SA50001, or 07AAA-TL2A100
Set the wheels in the straight ahead position.
Loosen the rack guide screw locknut ...
How to Enter Information
You can enter information (e.g., city names, street names, personal names,
and business names comprising letters, numbers, and symbols)
when prompted on input screens by two different methods. ...