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:
Brake Booster Replacement
Remove the air cleaner cover and the air cleaner case.
Remove the master cylinder.
Disconnect the brake booster vacuum hose (A) from the brake booster.
...
Transmission Mount Replacement
Do the battery removal procedure.
Remove the air cleaner.
M/T model: Remove the battery cables (A) from the battery terminal fuse
box.
M/T mode ...
Installation
Install the damper rubber mount (A) onto the damper unit. Position the
damper assembly (B) between the body and the axle beam.
NOTE: Be careful not to damage the body.
...