Depending on the length of time the power was interrupted, your system may require GPS initialization.

If initialization is not necessary, the system proceeds directly to the Startup Confirmation screen.
If the system fails to locate a sufficient number of satellites to locate your position within 10 minutes, the following screen is displayed.

If you are experiencing GPS reception problems:
Door Glass Adjustment
NOTE: Check the weatherstrips and glass run channel for damage or deterioration,
and replace them if necessary.
Place the vehicle on a firm, level surface.
Remove these items:
...
Rear Bumper Removal/Installation
NOTE:
Put on gloves to protect your hands.
Have an assistant help you when removing and installing the rear bumper.
Take care not to scratch the rear bumper or the body.
...
Mainshaft Bearing and Oil Seal Replacement (M/T)
Special Tools Required
Driver Handle, 15 x 135L 07749-0010000
Bearing Driver Attachment, 37 x 40 mm 07746-0010200
Bearing Driver Attachment, 52 x 55 mm 07746-0010400
Adjustable Bearing Puller, ...