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:
TPMS System Description (USA models)
TPMS Control Unit Inputs and Outputs at the
20P Connector
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Vents, Heating, and A/C
* : If equipped
Airflow Controls
Fan Control Dia
Turn this dial to increase or decrease the fan speed and airflow.
Temperature Control Dial
Turning this dial clockwise increases the temperature ...
Driving to Your Destination
This section describes how to follow the route guidance to your destination,
and
choose the icons displayed on the map screen. ...