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- Auto lamp function automatically turns ON/OFF the headlamp and tail
lamp according to the signal from the lighting control sensor (lamp sensor) attached to the windshield
when the lighting switch is in the AUTO position.
- The lamp sensor and the rain sensor are incorporated into the lighting control sensor.
The lamp sensor is used for the auto lamp function, and the rain sensor for the rain sensitive wiper
function *.
| note |
*: For the rain sensitive wiper function, refer to ETACS, ETACS-ECU
FUNCTIONS AND CONTROLS  .
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- The lighting control sensor (lamp sensor) detects the front and surrounding brightness
of the vehicle. With this detection, it is judged that the vehicle enters a tunnel or just drives
under a bridge. When it is judged that the vehicle drives through a tunnel, the headlamp and
tail lamp are automatically turned ON. When it is judged that the vehicle drives under a bridge,
the headlamp and tail lamp are not turned ON automatically. When the vehicle surroundings get
dark in case such as evening, the headlamp and tail lamp are automatically turned ON.
- The timing that the headlamp and tail lamp are automatically turned ON when the
vehicle surroundings get dark in case such as evening can be adjusted by the customisation function.
(Refer to Customisation Function .)
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When the lighting switch is in the OFF or AUTO position, unlock operation by the keyless
entry system lights up the tail lamp or headlamp. The lighting control sensor operates at nighttimes only.
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When the ignition switch is in the LOCK (OFF) position, passing operation lights up the
headlamp for a certain period.
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The headlamp washer can be operated with the ignition switch at the ON or ACC position
and the headlamp switch at the ON position. Push the headlamp washer button located at the end of
the lighting lever once and the washer will be sprayed onto the headlamps.
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When the turn-signal lamp switch is ON (LH or RH) with the ignition switch is ON, the
turn-signal lamp output (flash signal) is turned ON.
If the lamp bulb of the front or rear turn-signal lamp has burned out, the flashing speed
becomes faster to alert the driver that the lamp bulb has burned out.
When the turn-signal lamp flashes, a buzzer integrated in the combination meter will sound
in accordance with it.
| note |
Using a customisation function, this function becomes available even when the ignition
switch is in the ACC position (Refer to ).
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With the ignition switch in the ON position, when the turn signal switch is turned ON
momentarily (0.4 second or less), ETACS-ECU turns ON the turn signal lamp output, and flashes
the turn signal lamp three times.
| note |
Using the customisation function, the comfort flasher function can be activated/deactivated
and the switch operation acknowledge duration can be modified. (Refer to ).
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ETACS-ECU detects the signal that changes the hazard lamp switch from OFF to ON, and reverses
the flashing state by the signal (to the flashing state when the hazard lamp is not flashing,
and to the turned OFF state when flashing).
| note |
- The push-return switch has been adopted for the hazard lamp switch.
- Even if the lamp bulb has burned out, the flashing speed of the hazard lamp is not
changed.
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When the ETACS-ECU receives the ESS activation request signal from the ASTC-ECU, it flashes
the turn-signal lamps at high speed to inform the following car that the driver is applying the
brake suddenly.
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