Toyota FORTUNER 2021 Owner's Manual page 262

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4-5. Using the driving support systems
Dynamic radar cruise control can be set when
The shift lever is in D.
Depending on the control mode, this item can be set at the following
speeds.
• Vehicle-to-vehicle distance control mode: Approximately 30 km/h (20
mph) or more
• Constant speed control mode: Approximately 30 km/h (20 mph) or more
Accelerating after setting the vehicle speed
The vehicle can accelerate by operating the accelerator pedal. After acceler-
ating, the set speed resumes. However, during vehicle-to-vehicle distance
control mode, the vehicle speed may decrease below the set speed in order
to maintain the distance to the preceding vehicle.
Automatic cancelation of vehicle-to-vehicle distance control mode
Vehicle-to-vehicle distance control mode is automatically canceled in the fol-
lowing situations.
Actual vehicle speed falls below approximately 25 km/h (16 mph).
VSC is activated.
TRC/A-TRC is activated for a period of time.
When the VSC or TRC/A-TRC system is turned off.
The sensor cannot detect correctly because it is covered in some way.
When the brake control or output restriction control of a driving support sys-
tem operates.
(For example: Pre-Collision System, Drive-Start Control)
Switching the transfer mode is not completed within 5 seconds while the
cruise control system is on.
If vehicle-to-vehicle distance control mode is automatically canceled for any
reasons other than the above, there may be a malfunction in the system.
Contact your Toyota dealer.