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:
Oil Check
We recommend that you check the engine oil level every time you refuel.
Park the vehicle on level ground.
Wait approximately three minutes after turning the engine off before you check
the
oi ...
Audio Screen Control
AUDIO button (in FM/AM mode)
Control the audio system through the navigation screen.
1. Select a frequency band (AM,
FM1, or FM2).
2. Select a preset station.
► Touch and hold a pr ...
System Initialization
The navigation system must be initialized if
power to the navigation system is
interrupted for any reason (e.g., the
battery was disconnected). ...