Toyota RAV4 2019 Owner's Manual page 233

If constant speed control mode is auto-
matically canceled for any reasons other
than the above, there may be a malfunc-
tion in the system. Contact your Toyota
dealer.
■
The Dynamic Radar Cruise Control
with Road Sign Assist may not
operate properly when (vehicles
with RSA)
As the Dynamic Radar Cruise Control
with Road Sign Assist may not operate
properly in conditions in which RSA may
not operate or detect correctly
(P.210), when using this function,
make sure to check the speed limit sign
displayed.
In the following situations, the set speed
may not be changed to the recognized
speed limit by pressing and holding the
"+RES"/"-SET" switch.
●
If speed limit information is not avail-
able
●
When the recognized speed limit is
the same as the set speed
●
When the recognized speed limit is
outside of the speed range that the
dynamic radar cruise control system
can operate
■
Brake operation
A brake operation sound may be heard
and the brake pedal response may
change, but these are not malfunctions.
■
Warning messages and buzzers for
dynamic radar cruise control
Warning messages and buzzers are
used to indicate a system malfunction or
to inform the driver of the need for cau-
tion while driving. If a warning message
is shown on the multi-information dis-
play, read the message and follow the
instructions. (P.182, 375)
■
When the sensor may not be cor-
rectly detecting the vehicle ahead
In the case of the following and depend-
ing on the conditions, operate the brake
pedal when deceleration of the system
is insufficient or operate the accelerator
pedal when acceleration is required.
4-5. Using the driving support systems
As the sensor may not be able to cor-
rectly detect these types of vehicles, the
approach warning (P.228) 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
detecting 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
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