park assist Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H FROM JULY 2006 PROD. (OM30A05U) User Guide

154
2-4. Using other driving systems
If the steering information is not being correctly receivedIf the system is unable to receive signals from the steering sensor, or there
is a malfunction in the VGRS, the steer ing guide symbol and both arrows
will flash if the dual sensors detect an obstacle. 
In this case, have the vehicle checked by your Lexus dealer.
Multi-information display
Touch screen
If the steering guide symbol is on or flashing, the intuitive parking assist
maximum detection range is reduced from 3.0 ft. (100 cm) to 1.5 ft. (50
cm). 
The steering sensor malfunction warnin g display will be aligned with the
intuitive parking assist detection displa y or the intuitive parking assist mal-
function warning display.

155
2-4. Using other driving systems
2
When driving
Warning beep volume and touch screen settingsYou can change the warning beep volume and touch screen operating
conditions. 
Press to display the “Information” screen. Then touch .
■ Changing the warning beep volume
To u c h .
Adjust the beep volume, then touch .
■ Changing the touch screen operating conditions
To u c h .
Set one of the following operating condition, then touch .
● : Displays when the sensors detect an obstacle.
● : Displays if maneuvers are requir ed to avoid an obstacle (if
an obstacle is likely to come within 0.8 ft. [25 cm] of the
vehicle).
● : Does not display the intuitiv e parking assist detection
screen.
When an obstacle is detected while the rear view monitor is in use, the warn-
ing indicator will appear in the top right of the screen even has been
selected.
STEP1
STEP2
STEP1
STEP2

156
2-4. Using other driving systems
■The intuitive parking assist can be operated when
The power switch is in the “IG-ON” mode.
■When the system malfunctions
●If a malfunction occurs and no obstacles have been detected, a warning is dis-
played, and a malfunction beep sounds for 7 seconds.
If an obstacle has been detected, or another malfunction occurs in a different
sensor, the malfunction beeps will not sound.
●In the following circumstances the displayed warning will disappear:
• If you switch the screen to a different mode.
• If you turn OFF the intuitive parking assist main switch.
• If the vehicle speed exceeds 6 mph (10 km/h). Once the vehicle speed drops
below 6 mph (10 km/h), the warning will be displayed again.
●If the malfunction screen is displayed, the detection range of the dual sensors is
shortened. In this case, the necessity fo r obstacle evasion (whether the obstacle
will come within 0.8 ft. [25 cm] of the vehicle or not) will not be calculated.
■When using intuitive parking assist
●The sensors' detection areas and reaction times are limited. When moving for-
ward or reversing, check the areas surrounding the vehicle (especially the sides
of the vehicle) for safety, and drive slowly, using the brake to control the vehicle’s
speed.
• The sensors' detection areas are limited to the areas around the vehicle’s front
and rear bumpers.
• Depending on the shape of the obstacle and other factors, the detection dis-
tance may shorten, or dete ction may be impossible.
• There will be a short delay between ob stacle detection and display. Even at
slow speeds, there is a possibility that the obstacle will come within 0.8 ft. (25
cm) of the vehicle before the display is shown and the warning beep sounds.
• Braking distance may differ according to the road conditions (rain, gravel etc.).
• It might be difficult to hear beeps due to the volume of audio system or air flow noise of air conditioning system.
• For long obstacles such as walls, the obstacle warning may change as the
obstacle gets closer.

157
2-4. Using other driving systems
2
When driving
●In the following situations, the intuitive parking assist may not function correctly,
possibly leading to an accident.
• There is ice, snow or mud on the sensors. (Wiping the sensors will resolve this problem.)
• The sensor area is frozen. (Thawing the area will resolve this problem.) 
In especially cold weather, if a sensor is frozen the screen may show an abnor-
mal display, or obstacles may not be detected.
• The vehicle angle is especially wide.
• In harsh sunlight or intense cold weather.
• When driving on bumpy, sloped or gravel roads, or over grass.
• If there is something producing ultrasonic waves nearby, such as another vehicle’s horn, motorcycle engine nois e, air braking sound from heavy-duty
vehicles, or another vehicle using the intuitive parking assist.
• In heavy rain, or if water is splashed on the sensors.
• If a commercial fender pole or radio antenna is installed.
• If towing eyelet is installed on your vehicle.
• If moving towards a high curb or a curb corner.
• Objects such as signs may cause the detection distance to shorten.
• The area directly under the bumpers is not detected. 
Objects lower than the sensor s or thin stakes etc. may be detected initially,
but as they draw closer, they may cease to be detected.
• If obstacles draw too close to the sensor.
■Obstacles that may not be detected correctly
The following obstacles may not be detected.
●Thin objects such as wire, fencing or rope.
●Objects that absorb sound wave s, such as cotton or snow.
●Objects with sharp corners.
●Objects where the upper section projects out over the lower section.
●Low objects.

158
2-4. Using other driving systems
■CertificationFor vehicles sold in the U.S.A.
For vehicles sold in Canada
CAUTION
■Caution while driving
To reduce the chance of injury in the even t of an accident or sudden stop, keep the
switch box closed.
■When using intuitive parking assist
Observe the following precautions.
●The back sensors and rear corner sensors do not judge whether there is danger
of a collision, nor whether the obstacle can be avoided using the steering wheel.
When reversing, always check your surroundings and behind the vehicle for
safety.
●The steering guide symbol (arrow) is an approximate guide regarding obstacles.
It is not driving instructions. When movi ng forward or reversing, always check
your surroundings for safety and drive carefully.
●Do not install accessories within the sensors' detection areas, as this may cause
the intuitive parking assist to function inco rrectly, possibly leading to an accident.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions;
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference
that may cause undesired operation.
This ISM device complies with Canadian ICES-001.
Cet appareil ISM est conforme a la norme NMB-001 du Canada.

159
2-4. Using other driving systems
2
When driving
NOTICE
■When using intuitive parking assist
In the following situations, the system may not function correctly due to a sensor
malfunction etc. Have the vehicle checked by your Lexus dealer.
●A beep does not sound when you turn the main switch ON.
●The intuitive parking assist operation display flashes, and a beep sound when no
obstacle has been detected.
●If the area around a sensor collides with something, or is subjected to strong
impact.
●If the bumper collides with something.
●If the display shows continuously without a beep.
■When changing tires
If you install tires of a size other than that recommended by the manufacturer, the
system will be unable to correctly detect steering wheel movement. Always use tire
sizes recommended by the manufacturer.
■When washing the vehicle
When washing the vehicle using high pressure cleaning equipment, do not spray
water directly on the sensors. Subjecting the sensors to high pressure impact may
cause a malfunction.

185
3-1. Using the touch screen
3
Interior features
The initial screen
If the power switch is set to “ACC” or
“IG-ON” mode, the initializing screen
will be displayed for a few seconds as
the system starts up.
SwitchesPa g e
“CLIMATE”P. 1 9 2
“A U D I O ”P. 2 0 0
“INFO” (Displaying the “Informa-
tion” screen)P. 1 8 4
“DISP” (Adjusting the display)P. 1 8 8
Trip Information. (Displaying the
“Trip Information” screen)P. 6
MaintenanceNavigation System Owner's Manual
Te l e p h o n eP. 2 6 5
CalendarNavigation System Owner's Manual
“LEXUS Park Assist”P. 1 5 5
LanguageP. 1 8 7
Screen SettingP. 1 9 0
Adjust ClockP. 3 1 4 /
Navigation System Owner's Manual

341
3-7. Other interior features
3
Interior features
Stolen vehicle location assistance
If your vehicle is stolen, call the Lexus Link Call Center at 1-800-25-
LEXUS (1-800-255-3987) (toll-free) and select the option for Lexus Link.
To protect subscribers’ privacy, the location of a vehicle will not be provided to
anyone other than a law enforcement authority.
Remote horn/lights and remote door lock/unlock
The remote operations are performed by contacting the Lexus Link Call
Center from the outside of the vehicle. When necessary, call the Lexus Link
Call Center at 1-800-25-LEXUS (1-800-255-3987) (toll-free) and
select the option for Lexus Link.
● In the case that you forget to lock the vehicle or you are locked out, the
Lexus Link Call Center can send a sig nal to lock or unlock the vehicle
remotely.
● In the case that you forget where yo u parked the vehicle, such as in a
large parking lot, the Lexus Link Call Center can send a signal to flash the
headlights and sound the horn to help you locate the vehicle.
When contacting the Lexus Link Call Center from the outside of the vehicle,
you need the Lexus Link PIN (Personal Identification Number). Write the PIN
down and carry it with you.
Other services
Press the button in the vehicle or call the Lexus Link Call Center at 1-
800-25-LEXUS (1-800-255-3987) (toll-fr ee), and then select the option
for Lexus Link. The services provided will depend on the service plan level.

5
When trouble arises
429
5-1. Essential information
Towing eyelet
■Emergency towing procedureRelease the parking brake.
Put the shift lever in “N”.
The power switch must be in the “ACC” mode (hybrid system off) or the
“IG-ON” mode (hybrid system on).
CAUTION
■Caution while towing
●Use extreme caution when towing the vehicle. 
Avoid sudden starts or erratic driving maneuvers which place excessive stress on
the emergency towing eyelet and the cable or chain.
●If the hybrid system is not running, the power assist for the brakes and steering
will not function, making steeri ng and braking more difficult.
NOTICE
■To prevent causing serious damage to the transmission
Never tow this vehicle from the front with the rear wheels on the ground. 
This may cause serious dama ge to the transmission.
STEP1
STEP2
STEP3

446
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetails
(If equipped)
Malfunction in the active stabilizer suspension sys-
tem.

(If equipped)Malfunction in the PCS.
(If equipped)
Intuitive parking assist malfunction. The malfunctioning sensor is shown flashing on the
display. (The illustration shows malfunctioning left
front sensor.)
(Flashing) 
(If equipped)
Malfunction in the radar cruise control system. Stop the vehicle in a safe place. Switch the power
switch to “OFF” and then to “IG-ON” mode again to
reset the cruise control system.