warning Lexus GS450h 2007 Using the hands-free system (for cellular phone) / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. (OM30727U) User Guide

When driving2
93
2-1. Driving procedures .................. 94Driving the vehicle ....................... 94
Starting the hybrid system ....... 101
Transmission ................................. 104
Turn signal lever .......................... 108
Parking brake ............................... 109
2-2. Instrument cluster.................... 110 Gauges and meters ................... 110
Indicators and warning 
lights................................................ 114
Multi-information display.......... 117
2-3. Operating the lights and 
windshield wipers ................. 120
Headlight switch ......................... 120
Fog light switch............................ 123
Windshield wipers and 
washer........................................... 124
Headlight cleaner switch ........ 126 2-4. Using other driving

systems .................................... 127
Cruise control .............................. 127
Dynamic radar cruise 
control ........................................ 130
Intuitive parking assist ............. 139
Rear view monitor system ...... 158
AVS (Adaptive Variable 
Suspension System) ................. 161
Driving assist systems................ 162
PCS (Pre-Collision 
System) ........................................ 167
2-5. Driving information................ 170 Cargo and luggage.................... 170
Vehicle load limits ....................... 173
Winter driving tips ...................... 174
Trailer towing................................. 179
Dinghy towing ............................. 180

114
2-2. Instrument cluster
Indicators and warning lights
The indicator and warning lights on the instrument cluster and center
panel inform the driver of the status of the vehicle’s various systems.
Instrument cluster
The units used on the speedometer and some indicators may differ depend-
ing on the target region.
Center panel

116
2-2. Instrument cluster
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as ABS and the SRS airbag warning light not
come on when you turn to “IG-ON” mode, this could mean that these systems are
not available to help protect you in an accid ent, which could result in death or seri-
ous injury. Have the vehicle inspected by your Lexus dealer immediately if this
occurs.
■ Warning lights
Warning lights inform the driver of malfunctions in the indicated
vehicle’s systems. ( P. 4 3 0 )
*: These lights turn on when the power switch is turned to “IG-ON” mode
to indicate that a system check is being performed. They will turn off
after the hybrid system is on, or af ter a few seconds. There may be a mal -
function in a system if the lights do not come on, or turn off. Have the
vehicle inspected by your Lexus dealer.
(U.S.A.)(Canada)(U.S.A.)(Canada)
(U.S.A.)(Canada)(if equipped)
*******
*****
*

117
2-2. Instrument cluster
2
When driving
Multi-information display
The multi-information display presents the driver with a variety of driving-
related data, including the status of the hybrid system.
●Energy monitor ( P. 6 )
Displays the status of the hybrid
system.
●Trip information ( P. 118)
Displays driving range, fuel con -
sumption and other cruising
r
elated information.
● Intuitive parking assist dis -
play (if equipped) ( P. 141)
Automatically displayed when
using intuitive parking assist.
●Dynamic radar cruise con -
trol display (if equipped) 
( P
. 130)
Automatically displayed when
using dynamic radar cruise con -
trol.
● Warning messages 
( P
. 436)
Automatically displayed when a
malfunction occurs in one of the
vehicle’s systems.

133
2-4. Using other driving systems
2
When driving
Cruising in vehicle-to-vehicle distance control mode
This mode employs a radar sensor to detect the presence of vehicles
within 400 ft. (120 m) ahead and to judge the distance between your
vehicle and those vehicles.
Note that vehicle-to-vehicle distance will close when traveling on long down -
hill slopes.
Example of constant speed cruising (when there are no vehicles
ahead): When set to 62 mph (100 km/h)
The vehicle travels at the speed set by the driver. The desired vehicle-to-vehi-
cle distance can also be set by operating the vehicle-to-vehicle distance
swi
tch.
Example of deceleration cruising (wh en the vehicle ahead is driving
slower than the set speed): When fixed speed cruising is set at 6
2 mph
(100 km/h) and the vehicle ahead is driving at 50 mph (80 km/h)
When a vehicle is detected running ahead of you, in the same lane, the sys -
tem automatically decelerates your vehicle. When a greater reduction in
v
ehicle speed is necessary, the system applies the brakes. A warning tone
warns you on the system cannot decelerate sufficiently to prevent your vehi -
cle from closing on the vehicle ahead.

134
2-4. Using other driving systems
Example of follow-up cruising (when following a vehicle driving slower
than the set speed): When the speed is set to 62 mph (100 km/h) and
the v
ehicle ahead is driv ing at 50 mph (80 km/h)
The system continues follow-up cruising while adjusting for changes in the
speed of the vehicle ahead in order to maintain the vehicle-to-vehicle dis -
tance set by the driver.
Example of acceleration (when ther e are no longer vehicles driving
slower than the set speed in the lane ahead): When the speed is set to
6

2 mph (100 km/h) and the vehicle ahead driving at 50 mph (80 km/
h) is out of the lane
When the vehicle ahead of you executes a lane change, the system slowly
accelerates until the set vehicle speed is reached. The system then returns to
fixed speed cruising.
■Dynamic radar cruise control warn ing lights, messages and buzzers
Warning lights, messages and buzzers are us ed to in
dicate a system malfunction or
to alert you to the need for caution while driving. ( P. 4 4 0 )
■The dynamic radar cruise can be set when
●The shift lever is in “D” or the “4”, “5” or “6” range of “S”.
●Vehicle speed is between approximately 27 mph (43 km/h) and 87 mph (139
km/h).
■Accelerating
The vehicle can be accelerated normally. After acceleration, the set speed
r

esumes.

136
2-4. Using other driving systems
■Radar sensor and grille cover
Always keep the sensor and grille cover clean to ensure that the vehicle-to-vehicle
distance control operates properly. (Some obstructions, such as snow, ice or plastic
objects, cannot be detected by the obstruction sensor.)
Dynamic radar cruise control is canceled if an obstruction is detected.
■Certification
For vehicles sold in the U.S.A.
For vehicles sold in Canada
Grille cover
Radar sensor
FCC WARNING
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
FCC RF exposure information
This device complies with the FCC RF exposure requirements.
Operation is subject to the following two conditions;
(1) This device may not cause interference, and
(2) This device must accept any interfer ence received, including interference
that may cause undesired operation of the device.

139
2-4. Using other driving systems
2
When driving
Intuitive parking assist (if equipped)
Intuitive parking assist uses sensors in the front and rear of the vehicle to
detect the distance between the vehicle and any obstacles, and informs the
driver of this distance using the mult i-information display, the touch screen,
and warning beeps.

The system may be used at speeds less than about 6 mph (10 km/h).
■ Sensor types
Dual sensors
There are 4 sensors installed in the front bumper, two in the center section
to detect obstacles directly ahead, an d one in each corner of the bumper,
to detect obstacles in those areas. 
The dual sensors detect obstacles ahea d of the v
ehicle, and judge whether
avoidance maneuvers are necessary (whether the obstacle will come
within 0.8 ft. (25 cm) of the vehicle), according to the distance between
the obstacle and the vehicle, and the steering wheel position. The screen
display and beeps will change accordingly.
Rear corner sensors
These sensors detect obstacles around the rear corners of the vehicle.
Back sensors
These sensors detect obstacles behind the vehicle.

142
2-4. Using other driving systems
Display distance and beeps
When the intuitive parking assist is activated, the approximate distance to
the obstacle is displayed. Also, if an obstacle with which a collision is pos -
sible is detected, a warning beep will sound.
■ Dual sensor detection display and obstacle distance
• If the shift lever is in “R”, only th e corner sensors will detect obstacles.
Approximate
distance to obstacleMulti-informa- tion display
To u c h s c r e e n
With beeps(danger of collision)No beeps
(no danger of collision)
3.0 ft. (100 cm)
to 1.5 ft. (50 cm)
(continuous)(continuous)(continuous)
1.5 ft. (50 cm) to
1.1 ft. (37.5 cm)
(continuous)(continuous)(continuous)
1.1 ft. (37.5 cm) to
0.8 f t. (25 cm)
(continuous)(continuous)(continuous)
Less than 0.8 ft.
(25 cm)
(blinking)(continuous)


147
2-4. Using other driving systems
2
When driving
Beeps and obstacle distance
A beep sounds when an obstacle with which there is a danger of collision
is detected. As the vehicle moves clos er to the obstacle, the interval of
the beep becomes shorter.
● When the follo
wing obstacle distan ces are reached, the beep changes
from intermittent to continuous:
• If the distance to the obstacle detected by the dual sensors or rear corner
sensors is less than 0.8 ft. (25 cm).
• If the distance to the obstacle detected b
y the back sensors is less than 1.1
ft. (35 cm).
● If obstacles are detected by the dual sensors in 2 places at once, or if
both rear corner sensors detect obst acles at the same time, the system
will sound a warning beep for the closer of the 2 obstacles.
● If multiple obstacles ar
e detected in front and behind th e vehicle at the
same time, the warning beep will change in the following manner:
• If an obstacle has been detected within 0.8 ft. (25 cm) of the front or rear
of the vehicle (a continuous beep is sounding), and a new obstacle is
detected near a different area of th e vehicle, the warning beep will sound
6 beeps then one continuous beep.
• If an obstacle has been detected within 0
.8 ft. (25 cm) of the front or rear
of the vehicle (a continuous beep is sounding), and a new obstacle is
detected within 0.8 ft. (25 cm) of a different area of the vehicle, the warn -
ing beeps will sound 2 beeps then one continuous beep
.
●You can change the volume of the warning beeps. (P. 1 5 3)