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TOYOTA 2010 Prius User Manual

Page 255

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2-4. Using other driving systems

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CAUTION

Situations unsuitable for dynamic radar cruise control

Do not use dynamic radar cruise control in any of the following situations.
Doing so may result in inappropriate speed control and could cause an acci-
dent resulting in death or serious injury.

In heavy traffic

On roads with sharp bends

On winding roads

On slippery roads, such as those covered with rain, ice and snow

On steep downhills, or where there are sudden changes between sharp up
and down gradients

Vehicle speed may exceed the set speed when driving down a steep hill.

At entrances to expressways

When weather conditions are bad enough that they may prevent the sen-
sors from functioning correctly (fog, snow, sandstorm, heavy rain, etc.)

When an approach warning buzzer can be heard often

When the sensor may not be correctly detecting the vehicle ahead

Apply the brakes as necessary when any of the following types of vehicles
are in front of you.

As the sensor may not be able to correctly detect these types of vehicles,
the approach warning (

P. 227) will not be activated, and a fatal or serious

accident may result.

Vehicles that cut in suddenly

Vehicles traveling at low speeds

Vehicles that are not moving

Vehicles with small rear ends (trailers with no load on board etc.)

Motorcycles traveling in the same lane