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216 4-2. Driving procedures
RC F_U To enter M mode, shift the shift lever to M. Gears can then be selected by oper-
ating the shift lever or paddle shift switch es, allowing you to drive in the gear of
your choosing.
Upshifting
Downshifting The gear changes once every time the
shift lever or paddle shift switch is oper-
ated.
8-speed models: Th e selected gear,
from M1 to M8, will be fixed and dis-
played in the meter.
6-speed models: The selected gear,
from M1 to M6, will be fixed and dis-
played in the meter.
When in the M position, the gear will not change unless the shift lever or pad-
dle shift switches are operated.
However, even when in the M positi on, the gears will be automatically
changed in the following situation: ●
When vehicle speed drops (downshift only). ●
When a gear change is necessary to protect the engine or automatic trans-
mission when the engine coolant te mperature or automatic transmission
fluid temperature is low, or other reasons.
In the following situations, the gear will no t shift even if the shift lever or paddle
shift switches are operated. ●
“Slippery Road. Cannot Shift to Lowe r Gear.” is displayed on the multi-
information display. ●
The vehicle speed is low (upshift only).Selecting gears in the M position 1
2

2174-2. Driving procedures
4
Driving
RC F_U The Gear Shift Indicator display is a gu ide to help the driver achieve improved
fuel economy and reduced exhaust emissions within limits of engine perfor-
mance.
When not in operation
Shift-up indicator
■
Gear Shift Indicator function ●
This function automatically operates during M mode. ●
By following the Shift-up indicator and sh ifting up accordingly, it is possible
to achieve improved fuel economy and reduced exhaust emissions. ●
The Gear Shift Indicator does not have a similar function for downshifting. ●
Depending on the driving conditions, the Gear Shift Indicator may not dis-
play the Shift-up indicator while driving in M mode.Gear Shift Indicator (RC F) 1
2

218 4-2. Driving procedures
RC F_U ■
Automatic deactivation of shift range selection in the D position
Shift range selection in the D position will be deactivated in the following situations:●
When the vehicle comes to a stop ●
If the accelerator pedal is depressed fo r more than a certain period of time●
When the shift lever is shifted to a position other than D ■
To protect the automatic transmission
If the automatic transmission fluid temperat ure is high, “Transmission Fluid Temp High
See Owner’s Manual” will be displayed on the multi-information display and the vehicle
will go into transmission protection mode automatically. Have th e vehicle inspected by
your Lexus dealer. ■
Downshifting restriction warning buzzer
To help ensure safety and driving performance, downshifti ng operation may sometimes
be restricted. In some circum stances, downshifting may not be possible even when the
shift lever or paddle shif t switch is operated. (A buzzer will sound twice.)■
Snow mode automatic deactivation
Snow mode is automatically deactivated if the engine switch is turn ed off after driving in
snow mode. ■
When driving with dynamic radar cruise control activated
Even when performing the following actions with the intent of enabling engine braking,
engine braking will not activate because dy namic radar cruise control will not be can-
celed. ●
8-speed models: While driving in the D posi tion, downshifting to 7, 6, 5 or 4.
(  P. 268) ●
6-speed models: While driving in the D position, downshifting to 5 or 4.
(  P. 268) ●
When switching the driving mode to sport mode while driving in D position.
(  P. 301)■
Shift lock system
The shift lock system is a system to prevent ac cidental operation of the shift lever in start-
ing.
The shift lever can be shifted from P only when the engine switch is in IGNITION ON
mode and the brake pedal is being depressed. ■
Restraining sudden start (Drive-Start Control)●
When the following unusual operation is performed, the engine output may be
restrained.
• When the shift lever is shifted from R to D, D to R, N to R, P to D, or P to R (D
includes M) with the accelerator pedal depressed, a warning message appears on
the multi-information display. (  P. 465)
• When the accelerator pedal is depressed t oo much while the vehicle is in reverse.

2514-5. Using the driving support systems
4
Driving
RC F_U ◆ Pre-collision warning
When the system determines that
the possibility of a frontal collision is
high, a buzzer will sound and a warn-
ing message will be displayed on the
multi-information display to urge the
driver to take evasive action.
◆ Pre-collision brake assist
When the system determines that the po ssibility of a frontal collision is high,
the system applies greater braking force in relation to how strongly the brake
pedal is depressed.
◆ Pre-collision braking
When the system determines that the po ssibility of a frontal collision is high,
the system warns the driver. If the syst em determines that the possibility of a
frontal collision is extremely high, the br akes are automatically applied to help
avoid the collision or reduce the collision speed.
◆ Suspension control (if equipped)
When the system determines that the po ssibility of a frontal collision is high,
the Adaptive Variable Suspension System (  P. 313) will control the damping
force of the shock absorbers to help ma intain an appropriate vehicle posture.
◆ Steering control (if equipped)
When the system determines that the possibility of a frontal collision is high
and the driver is operating the steering wheel, the LDH system (  P. 313) will
control the turning angle of the front an d rear wheels and effort necessary to
turn the steering wheel to help enhance steering responsiveness.

254 4-5. Using the driving support systems
RC F_U ■
Enabling/disabling the pre-collision system
The pre-collision system can be enabled/disabled on (  P. 111) of the
multi-information display. The system is automatically enabled each time the engine switch is turned to IGNI-
TION ON mode.
If the system is disabled, the PCS
warning light will turn on and a mes-
sage will be displayed on the multi-
information display. ■
Changing the pre-collision warning timing
The pre-collision warning timing can be changed on (  P. 111) of the
multi-information display. The operation timing setting is retained when the engi ne switch is turned off.
Far The warning will begin to operate
earlier than with the default timing.
Middle This is the default setting.
Near The warning will begin to operate
later than with the default timing.Changing settings of the pre-collision system
1
2
3

260 4-5. Using the driving support systems
RC F_U ■
If the PCS warning light flas hes or illuminates and a warning message is displayed on
the multi-inform ation display
The pre-collision system may be temporarily unavailable or there may be a malfunction
in the system. ●
In the following situations, the warning light will turn off, the message will disappear and
the system will become operational when normal operating conditions return:
• When the radar sensor or ca mera sensor or the area around either sensor is hot,
such as in the sun
• When the radar sensor or camera sensor or the area around either sensor is cold,
such as in an extremely cold environment
• When a front sensor is dirt y or covered with snow, etc.
• When the part of the windshield in front of the camera sensor is fogged up or cov-
ered with condensation or ice (Defogging the windshield:
 P. 338)
• If the camera sensor is obstructed, such as when the hood is open or a sticker is
attached to the windshield near the camera sensor ●
If the PCS warning light continues to flash or remains illuminated or the warning mes-
sage does not disappear even though the vehicle has returned to normal, the system
may be malfunctioning. Have the vehicle in spected by your Lexus dealer immediately.■
If VSC is disabled ●
If VSC is disabled (  P. 315), the pre-collision brake a ssist and pre-collision braking
functions are also disabled. ●
The PCS warning light will turn on and “V SC Turned Off Pre-Collision Brake System
Unavailable” will be displayed on the multi-information display.

2614-5. Using the driving support systems
4
Driving
RC F_U When driving on highways and freeways wi th white (yellow) lines, this function
alerts the driver when the vehicle might depart from its lane and provides assis-
tance by operating the steering whee l to keep the vehicle in its lane.
The LDA system recognizes visible
white (yellow) lines with the camera
sensor on the upper portion of the front
windshield.
◆ Lane departure alert function
When the system determines that
the vehicle might depart from its
lane, a warning is displayed on the
multi-information display, and either
the warning buzzer sounds or the
steering wheel vibrates to alert the
driver. When the warning buzzer sounds or
the steering wheel vibrates, check
the surrounding road situation and
carefully operate the steering wheel
to move the vehicle back to the cen-
ter of the lane.LDA (Lane Departure Alert with steering control) Summary of functions
Functions included in LDA system

262 4-5. Using the driving support systems
RC F_U ◆ Steering control function
When the system determines that
the vehicle might depart from its
lane, the system provides assistance
as necessary by operating the steer-
ing wheel in small amounts for a
short period of time to keep the
vehicle in its lane. If the system detects that the steering
wheel has not been operated for a
fixed amount of time or the steering
wheel is not being firmly gripped, a
warning is displayed on the multi-
information display and the function
is temporarily canceled.
◆ Vehicle sway warning function
When the vehicle is swaying or
appears as if it may depart from its
lane multiple times, the warning
buzzer sounds and a message is dis-
played on the multi-information dis-
play to alert the driver.

264 4-5. Using the driving support systems
RC F_U Press the LDA switch to turn the LDA
system on. The LDA indicator illuminates and a
message is displayed on the multi-
information display.
Press the LDA switch again to turn the
LDA system off.
When the LDA system is turned on or
off, operation of the LDA system contin-
ues in the same cond ition the next time
the engine is started.Turning LDA system on

2654-5. Using the driving support systems
4
Driving
RC F_U LDA indicator
The illumination condition of the
indicator informs the driver of the
system operation status. Illuminated in white:
LDA system is operating.
Illuminated in green:
Steering wheel assistance of the steer-
ing control function is operating.
Flashing in orange:
Lane departure alert function is operat-
ing.
Operation display of steering wheel
operation support
Indicates that steering wheel assistance of the steering control function is
operating.
Lane departure alert function display
Displayed when the multi-information disp lay is switched to the driving assist
system information screen.Indications on multi-information display 1
2
3
Inside of displayed white lines is
white 
Inside of displayed white lines is
black
Indicates that the system is recognizing
white (yellow) lines. When the vehicle
departs from its lane, the white line dis-
played on the side the vehicle departs
from flashes orange. Indicates that the system is not able to
recognize white (ye llow) lines or is
temporarily canceled.