Lexus 2013 IS250, Owner'S Manual

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4-5. Using the driving support systems
4
Driv
in
g
IS250_EE(OM53B11E)

Cruise control can be set when

The shift lever is in D.

Range 4 or higher of D has been selected by using the paddle shift.

Vehicle speed is above approximately 40 km/h (25 mph).

Accelerating after setting the vehicle speed

The vehicle can be accelerated normally. After acceleration, the set speed
resumes.

Even without canceling the cruise control, the set speed can be increased by
first accelerating the vehicle to the desired speed and then pushing the lever
down to set the new speed.

Automatic cruise control cancelation
Cruise control will stop maintaining the vehicle speed in any of the following sit-
uations.

Actual vehicle speed falls more than approximately 16 km/h (10 mph) below
the preset vehicle speed.
At this time, the memorized set speed is not retained.

Actual vehicle speed is below approximately 40 km/h (25 mph).

VSC is activated.

TRC is activated for a period of time.

When the VSC or TRC system is turned off by pressing the VSC OFF switch.

If the warning message for the cruise control is shown on the multi-information
display
Press the “ON/OFF” button once to deactivate the system, and then press the but-
ton again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels immedi-
ately after being activated, there may be a malfunction in the cruise control sys-
tem. Have the vehicle inspected by any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.