The brightness of the instrument panel lights can be adjusted.

1. Brighter
2. Darker
The meters and display illuminate when (Optitron type meter)
Vehicles without a smart key system:
The engine switch is in the “ON” position.
Vehicles with a smart key system:
The “ENGINE START STOP” switch is in IGNITION ON mode.
Eco Driving Indicator Light will not operate in the following conditions
• The shift lever is in anything other than D.
• The vehicle speed is approximately 80 mph (130 km/h) or higher.
When the average fuel consumption is reset
The average fuel consumption displayed on the accessory meter and “Past Record” screen of the Display Audio system (if equipped) or the navigation system (if equipped) will be reset at the same time.
The brightness of the instrument panel lights (Optitron type meter)
When the headlight switch is turned to on, the brightness will be reduced slightly unless the control dial is turned fully upward.
NOTICE
To prevent damage to the engine and its components
• Do not let the indicator needle of the tachometer enter the red zone, which indicates the maximum engine speed.
• The engine may be overheating if the engine coolant temperature gauge is in the red zone (H). In this case, immediately stop the vehicle in a safe place, and check the engine after it has cooled completely.
While driving (Optitron type meter)
When the voltmeter indicates more than 19 V or less than 9 V, the battery may be malfunctioning. Have your vehicle checked at your Toyota dealer.
Switching the display
Indicators and warning lightsHD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the navigation receiver assembly.
DTC No.
DTC Detection Condition
Trouble Area
B1551
When one of the conditions below is met:
...
Sliding Roof ECU Power Source Circuit
DESCRIPTION
If the sliding function and tilt function do not operate, there may be a malfunction
in the sliding roof drive gear sub-assembly power source circuit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When the sliding roof drive gear ...