Toyota Land Cruiser Prado 2012 Manual page 299

When "--" or "E" is displayed on the outside temperature display

The system may be malfunctioning. Take your vehicle to any authorized
Toyota dealer or repairer, or another duly qualified and equipped
professional.
When disconnecting and reconnecting battery terminals

The following information data and settings will be reset:
 Average fuel consumption after refueling
 Average fuel consumption
 Average vehicle speed
 Elapsed time
 Customization
Setting of available languages can be changed.
(Customizable features P. 849)
NOTICE
 The multi-information display at low temperatures
Allow the interior of the vehicle to warm up before using the liquid crystal
information display. At extremely low temperatures, the information display
monitor may respond slowly, and display changes may be delayed.
L/C150_OM_OM60J78E_(EE)
2-2. Instrument cluster
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