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:
Interior Care
Use a damp cloth with a mixture of mild detergent and warm water to remove
dirt.
Use a clean cloth to remove detergent residue.
Do not spill liquids inside the vehicle.
Electrical devices and ...
Servo Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages.
Inspect the servo body for scoring and damage.
Check all valves for fre ...
Entering the Security Code
Find the navigation system’s security code
and serial number label in your Owner’s
Manual kit. Do not store the label in your
vehicle. If you lose the label, you must first
retrieve the serial ...