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:
Rocker Arm Assembly Installation
If the rocker arm assembly is disassembled, reassemble the rocker arm
assembly.
Apply engine oil to the end of the valve stem.
Install the rocker arm assembly.
...
Valve Stem-to-Guide Clearance Inspection
Remove the valves.
Subtract the O.D. of the valve stem, measured with a micrometer, from the
I.D. of the valve guide, measured with an inside micrometer or ball gauge.
Take t ...
Pairing from Phone Setup
PHONE button
► Phone Setup
Use the Phone setup screen to pair an additional Bluetooth-compatible phone
if a
phone has been previously paired to the system.
1. Select Add/Select a Phone ...