Toyota 4Runner 2020, Owner'S Manual

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4-5. Using the driving support systems
4RUNNER (U)
● When water or snow thrown up by the surrounding vehicles hinders the
detecting of the sensor
■
Conditions under which the vehicle-to-vehicle distance control mode
may not function correctly
In the case of the following conditions, operate the brake pedal (or accelera-
tor pedal, depending on the situation) as necessary.
As the sensor may not be able to correctly detect vehicles ahead, the system
may not operate properly.
●
When the vehicle ahead of you decelerates suddenly
●
When driving on a road surrounded by a structure, such as in a tunnel or on
a bridge
●
While the vehicle speed is decreasing to the set speed after the vehicle
accelerates by depressing the accelerator pedal
● When your vehicle is pointing upwards
(caused by a heavy load in the luggage
compartment, etc.)
●
Preceding vehicle has an extremely
high ground clearance
● When the road curves or when the
lanes are narrow
● When steering wheel operation or your
position in the lane is unstable