Lexus ES 250 Owner's Manual page 248

detect these types of vehicles, the approach
warning (P.244) may not be activated.
● Vehicles that cut in suddenly
Vehicles traveling at low speeds
●
● Vehicles that are not moving in the same
lane
Vehicles with small rear ends (trailers
●
with no load on board, etc.)
● Motorcycles traveling in the same lane
● When water or snow thrown up by the
surrounding vehicles hinders the detect-
ing of the sensor
When your vehicle is pointing upwards
●
(caused by a heavy load in the luggage
compartment, etc.)
● Preceding vehicle has an extremely high
ground clearance
Conditions under which the vehicle-to-
■
vehicle distance control mode may not
function correctly
In the case of the following conditions,
4-5. Using the driving support systems
operate the brake pedal (or accelerator
pedal, depending on the situation) as nec-
essary.
As the sensor may not be able to correctly
detect vehicles ahead, the system may not
operate properly.
When the road curves or when the lanes
●
are narrow
● When steering wheel operation or your
position in the lane is unstable
When the vehicle ahead of you deceler-
●
ates 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 acceler-
ates by depressing the accelerator pedal
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