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:
Audio Control Display
Press the AUDIO button to display the audio system on the
navigation screen.
...
Gauge Control Module Replacement
NOTE: Before replacing the gauge control module,
retrieve the ODO value and the maintenance minder information from
the gauge control module with the HDS.
Remove the instrument panel.
...
Tailgate Lock Cylinder Replacement
For Some Models
NOTE: Put on gloves to protect your hands.
Remove the tailgate lower trim panal.
Disconnect the tailgate cylinder rod (A).
NOTE: Check for damaged or stress-wh ...