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:
Recommended Engine Oil
• Genuine Honda Motor Oil
• Premium-grade 0W-20 detergent oil with an API Certification Seal on the
container.
Oil is a major contributor to your engine’s
performance and longevity. If you ...
Installation
Install the alternator (A), then tighten the alternator mounting bolts (B).
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A/C System Inspection (With A/C)
NOTE: For A/C system noise,
go to the A/C System Noise Check.
Before troubleshooting any problem with the air conditioning system, other than
noise, do the following:
Check that the HVAC ai ...