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:
Grab Handle Removal/Installation
Special Tools Required
KTC Trim Tool Set SOJATP2014
*Available through the Acura Tool and Equipment Program; call
888-424-6857
NOTE: Use the appropriate tool from the KTC trim tool set ...
Paddle Shifter (Downshift Switch) Replacement (A/T)
SRS components are located in this area. Review the SRS component locations
and the precautions and procedures before doing repairs or service.
Remove the steering ...
Gearshift Mechanism Replacement (M/T)
NOTE: Make sure not to get any silicone grease on the terminal part of the
connectors and switches, especially if you have silicone grease on your hands or
gloves.
...