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 Removal
Remove the cylinder head cover.
Loosen the rocker arm adjusting screws (A).
Unscrew the rocker shaft mounting bolts two turns at a time in the
sequence shown.
...
A/T System Description - Lock-Up System (A/T)
Lock-up SystemThe lock-up mechanism of the torque converter
clutch operates in all five gears in D, in 3rd gear in D3, and 3rd and 4th
gears in S with the automatic shift mode. The pressurize ...
Towing a Trailer
Your vehicle is not designed to tow a trailer. Attempting to do so can void your
warranties. ...