Driving Assist Systems - Lexus UX 250h 2020 Owner's Manual

258
4-5. Using the driving support systems
mode select switch is turned toward you,
the "Eco" indicator comes on.
3
Sport mode
Assists acceleration response by con-
trolling the hybrid system and steering.
Suitable for when precise handling is desir-
able, for example when driving on moun-
tain roads.
When not in Sport mode, if the driving
mode select switch is turned backward, the
"Sport" indicator comes on and the Hybrid
System Indicator changes to the tachome-
ter. (P.78, 82)
■ Operation of the air conditioning sys-
tem in Eco drive mode
Eco drive mode controls the heating/cool-
ing operations and fan speed of the air con-
ditioning system to enhance fuel efficiency.
To improve air conditioning performance,
perform the following operations:
Turn off eco air conditioning mode
●
(P.282)
● Adjust the fan speed (P.278, 281)
Turn off Eco drive mode
●
Automatic deactivation of Sport mode
■
If the power switch is turned off after driving
in Sport mode, the driving mode will be
changed to Normal mode.
Driving mode pop-up display (vehicles
■
with 10.3-inch display model)
When the driving mode is changed, the
selected driving mode will be temporarily
displayed on the side display. (P.275)

Driving assist systems

To keep driving safety and perfor-
mance, the following systems oper-
ate automatically in response to
various driving situations. Be aware,
however, that these systems are
supplementary and should not be
relied upon too heavily when oper-
ating the vehicle.
Summary of the driving assist
systems
ECB (Electronically Controlled
■
Brake System)
The electronically controlled system
generates braking force correspond-
ing to the brake operation
ABS (Anti-lock Brake System)
■
Helps to prevent wheel lock when the
brakes are applied suddenly, or if the
brakes are applied while driving on a
slippery road surface
Brake assist
■
Generates an increased level of brak-
ing force after the brake pedal is
depressed when the system detects a
panic stop situation
VSC (Vehicle Stability Control)
■
Helps the driver to control skidding
when swerving suddenly or turning on
slippery road surfaces
Enhanced VSC (Enhanced Vehi-
■
cle Stability Control)
Provides cooperative control of the
ABS, TRAC, VSC and EPS.