Toyota 2015 Prius, Owner'S Manual

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2-4. Using other driving systems
PRIUS_OM_OM47A17U_DVD_(U)
Hill-start assist control
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Hill-start assist control operating conditions
●
The system operates in the following situations:
• The shift position is in a position other than P.
• The parking brake is not applied.
• The accelerator pedal is not depressed.
●
Hill-start assist control cannot be operated while the slip indicator light is
illuminated.
■
Hill-start assist control
●
While hill-start assist control is operating, the brakes remain automati-
cally applied after the driver releases the brake pedal. The stop lights and
the high mounted stoplight turn on.
●
Hill-start assist control operates for about 2 seconds after the brake pedal
is released.
●
If the slip indicator does not flash and the buzzer does not sound when
the brake pedal is further depressed, slightly reduce the pressure on the
brake pedal (do not allow the vehicle to roll backward) and then firmly
depress it again. If the system still does not operate, check if the operat-
ing conditions explained above have been met.
Hill-start assist control helps to prevent the vehicle from rolling
backwards when starting on an incline or slippery slope.
To engage hill-start assist con-
trol, further depress the brake
pedal when the vehicle is
stopped completely.
A buzzer will sound once to
indicate the system is acti-
vated. The slip indicator will
also start flashing.