Toyota 2015 Hilux Owner's Manual page 299

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Operating tips
Vehicles with automatic transmission
The system will operate when the shift lever is in a position other than P, how-
ever to make effective use of the system it is recommended that the shift
lever be shifted to 2 or 1 range of S mode.
Vehicles with manual transmission
To make effective use of the system, it is recommended to drive in a low gear.
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If the downhill assist control system indicator flashes
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In the following situations, the indicator flashes and the system will not oper-
ate:
• The front-wheel drive control switch is in the H2 position.
• The shift lever is in P. (vehicles with automatic transmission)
• The rear differential is locked.
• The accelerator or brake pedal is depressed.
• The vehicle speed exceeds approximately 30 km/h (18mph).
• The brake system overheats.
The system will cease operation. At this time, a buzzer sounds, the down-
hill assist control indicator flashes and "TRC turned off" is shown on the
multi-information display. Refrain from using the system until the downhill
assist control system indicator stays on and "TRC turned off" displayed
on the multi-information display goes out. (The vehicle can be driven nor-
mally during this time.)
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In the following situations, the indicator flashes to alert the driver, but the
system will operate:
• The shift lever is in N. (vehicles with automatic transmission)
• The shift lever is in N and the clutch pedal is depressed. (vehicles with
manual transmission)
• The "DAC" switch is turned off while the system is operating.
The system will gradually ceases operation. The indicator will flash during
operation, and then go off when the system is fully off.
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Sounds and vibrations caused by the downhill assist control system
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A sound may be heard from the engine compartment when the engine is
started or just after the vehicle begins to move. This sound does not indicate
that a malfunction has occurred in downhill assist control system.
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Either of the following conditions may occur when the downhill assist control
system is operating. None of these are indicators that a malfunction has
occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
4-5. Using the driving support systems
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