Eps Operation Sound; Reduced Effectiveness Of The Eps System; Automatic Reactivation Of Trac And Vsc Systems; Secondary Collision Brake Operating Conditions - Lexus LC500 Manual

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EPS operation sound

When the steering wheel is operated, a
motor sound (whirring sound) may be
heard. This does not indicate a malfunction.
Automatic reactivation of TRAC and
VSC systems
After turning the TRAC and VSC systems
off, the systems will be automatically re-
enabled in the following situations:
When the engine switch is turned off
If only the TRAC system is turned off, the
TRAC will turn on when vehicle speed
increases
If both the TRAC and VSC systems are
turned off, automatic re-enabling will not
occur when vehicle speed increases.
Operating conditions of Active Corner-
ing Assist
The system operates when the following
occurs.
TRAC/VSC can operate
The driver is attempting to accelerate
while turning
The system detects that the vehicle is
drifting to the outer side
The brake pedal is released
Secondary Collision Brake operating
conditions
The system operates when the SRS airbag
sensor detects a collision while the vehicle
is in motion. However, the system does not
operate in any of the following situations.
The vehicle speed is below 6 mph (10
km/h)
Components are damaged
Secondary Collision Brake automatic
cancellation
The system is automatically canceled in any
of the following situations.
The vehicle speed drops below approxi-
mately 6 mph (10 km/h)
A certain amount of time elapses during
operation
The accelerator pedal is depressed a
large amount
4-5. Using the driving support systems
Reduced effectiveness of the EPS sys-
tem
The effectiveness of the EPS system is
reduced to prevent the system from over-
heating when there is frequent steering
input over an extended period of time. The
steering wheel may feel heavy as a result.
Should this occur, refrain from excessive
steering input or stop the vehicle and turn
the engine off. The EPS system should
return to normal within 10 minutes.
WARNING
The ABS does not operate effectively
when
The limits of tire gripping performance
have been exceeded (such as exces-
sively worn tires on a snow covered
road).
The vehicle hydroplanes while driving
at high speed on wet or slick roads.
Stopping distance when the ABS is
operating may exceed that of normal
conditions
The ABS is not designed to shorten the
vehicle's stopping distance. Always
maintain a safe distance from the vehicle
in front of you, especially in the following
situations:
When driving on dirt, gravel or snow-
covered roads
When driving over bumps in the road
When driving over roads with pot-
holes or uneven surfaces
TRAC/VSC may not operate effec-
tively when
Directional control and power may not
be achievable while driving on slippery
road surfaces, even if the TRAC/VSC
system is operating.
Drive the vehicle carefully in conditions
where stability and power may be lost.
221
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