Toyota 2015 Hilux Owner's Manual page 300

300
4-5. Using the driving support systems
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System malfunction
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The downhill assist control system indicator does not come on when the
engine switch is turned to the "ON" position (vehicles without smart entry &
start system) or IGNITION ON mode (vehicles with smart entry & start sys-
tem).
●
The downhill assist control system indicator does not come on when the
"DAC" switch is pressed.
●
The slip indicator comes on.
In the above cases, have your vehicle checked by any authorized Toyota
dealer or repairer, or another duly qualified and equipped professional.
WARNING
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When using downhill assist control system
●
Do not rely overmuch on the downhill assist control system. This function
does not extend the vehicle's performance limitations. Always thoroughly
check the road conditions, and drive safely.
●
Vehicles with manual transmission: Drive in a low gear. Driving in a high
gear when using downhill assist control system may cause the engine to
stall, which may lose the brake effectiveness and lock the tires, resulting in
an accident.
●
Vehicles with manual transmission: On a steep slope, use the engine brak-
ing efficiently. If the vehicle is driven in N or with the clutch pedal
depressed on a steep slope, the load on the brake increases and control-
ling the vehicle speed may be impossible, resulting in an accident.
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The system may not operate on the following surfaces, which may lead
to an accident causing death or serious injury
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Slippery surfaces such as wet or muddy roads
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Icy surface
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Unpaved roads