Lexus LS 500h 2019 Owner's Manual page 337

Setting the vehicle speed
Press the cruise control main switch
1
to activate the cruise control.
Cruise control indicator will come on.
Press the switch again to deactivate the
cruise control.
2 Accelerate or decelerate the vehi-
cle to the desired speed, and press
the "-SET" switch to set the speed.
Cruise control "SET" indicator will come
on.
The vehicle speed at the moment the
switch is released becomes the set speed.
Adjusting the set speed
To change the set speed, press the
"+RES" or "-SET" switch until the
desired set speed is obtained.
LS500h_OM_General_OM50J66E
4-5. Using the driving support systems
1 Increases the speed
2 Decreases the speed
Fine adjustment: Press the switch in the
desired direction.
Large adjustment: Press and hold switch.
The set speed will be increased or
decreased as follows:
Fine adjustment: By 1 km/h (0.6 mph)
*2
mph (1.6 km/h) each time the switch is
pressed
Large adjustment: The set speed can be
increased or decreased continually until
the switch is released.
*1
: When the set speed is shown in "km/h"
*2
: When the set speed is shown in "MPH"
Canceling and resuming the
constant speed control
1 Pressing the cancel switch cancels
the constant speed control.
335
4
*1
or 1