Lexus LS 500h 2019 Owner's Manual page 323

Canceling and resuming the
speed control
1 Pressing the cancel switch cancels
the speed control.
The speed control is also canceled when
the brake pedal is depressed. (When the
vehicle has been stopped by system con-
trol, depressing the brake pedal does not
cancel the setting.)
2 Pressing the "+RES" switch
resumes the cruise control and
returns vehicle speed to the set
speed.
Approach warning (vehi-
cle-to-vehicle distance control
mode)
When your vehicle is too close to a
vehicle ahead, and sufficient automatic
deceleration via the cruise control is
LS500h_OM_General_OM50J66E
4-5. Using the driving support systems
not possible, the display will flash and
the buzzer will sound to alert the driver.
An example of this would be if another
driver cuts in front of you while you are
following a vehicle. Depress the brake
pedal to ensure an appropriate vehi-
cle-to-vehicle distance.
Warnings may not occur when
■
In the following instances, warnings
may not occur even when the vehi-
cle-to-vehicle distance is small.
 When the speed of the preceding
vehicle matches or exceeds your
vehicle speed
 When the preceding vehicle is
traveling at an extremely slow speed
 Immediately after the cruise control
speed was set
 When depressing the accelerator
pedal
Curve speed reduction function
(vehicles with Lexus Safety Sys-
tem + A)
While driving in vehicle-to-vehicle dis-
tance control mode, this function will
reduce the vehicle speed, if it is deter-
mined to be necessary.
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