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:
Driveshaft Disassembly
Special Tools Required
Threaded Adapter, 22 x 1.5 mm 07XAC-001010A
Slide Hammer 5/8''-18 UNF, commercially available
Bearing Puller, commercially available
Boot Band Pliers, commerci ...
PIN Numbers
INFO button
► Setup
►Personal Information►PIN Number
Set a 4-digit PIN for protecting personal addresses and your home addresses.
Once
you set a PIN, you are prompted to ente ...
Emissions Testing
Testing of Readiness Codes
Your vehicle uses “readiness codes,” as part of its onboard self diagnostic
system.
Some states refer to these codes during testing to see if your vehicle’s
em ...