cruise control Lexus IS250 2013 Navigation Manual / LEXUS 2013 IS250,IS350 OWNERS MANUAL (OM53B64U)

1
2
3
4
5
6
7
3
2-1. Driving proceduresDriving the vehicle ........................ 130
Engine (ignition) switch .............. 140
Automatic transmission.............. 144
Turn signal lever ............................ 150
Parking brake ................................... 151
Horn.................................................... 152
2-2. Instrument cluster Gauges and meters ..................... 153
Indicators and warning lights................................................. 159
Multi-information display........... 162
2-3. Operating the lights and windshield wipers
Headlight switch ............................ 167
Fog light switch ................................ 171
Windshield wipers and washer............................................. 173
Headlight cleaner switch ........... 180 2-4. Using other driving systems
Cruise control ................................. 181
Intuitive parking assist ................. 185
Driving assist systems.................... 191
2-5. Driving information Cargo and luggage ...................... 197
Vehicle load limits ....................... 200
Winter driving tips ........................ 201
Trailer towing ................................ 205
Dinghy towing ............................... 206
2When driving

17
Telephone switch *1P. 292
Cruise control switch P. 181
“DISP” switch P. 163
Talk switch *1P. 292
ECT switch P. 145
B
C
: If equipped
*1: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
*2: Refer to “Navigation System Owner's Manual”.
Windshield wiper
de-icer
 P. 219

20
Installation of a mobile two-way radio system
The installation of a mobile two-way radio system in your vehicle could affect elec-
tronic systems such as:
●Multiport fuel injection system/sequential multiport fuel injection system
●Cruise control system
●Anti-lock brake system
●SRS airbag system
●Seat belt pretensioner system
Be sure to check with your Lexus dealer for precautionary measures or special
instructions regarding installation of a mobile two-way radio system.

When driving2
129
2-1. Driving proceduresDriving the vehicle.................. 130
Engine (ignition) switch ......... 140
Automatic transmission ........ 144
Turn signal lever ....................... 150
Parking brake ............................ 151
Horn ............................................ 152
2-2. Instrument cluster Gauges and meters ................ 153
Indicators and warning lights ......................................... 159
Multi-information display ..... 162
2-3. Operating the lights and windshield wipers
Headlight switch...................... 167
Fog light switch ......................... 171
Windshield wipers and washer ..................................... 173
Headlight cleaner switch..... 180 2-4. Using other driving
systems
Cruise control........................... 181
Intuitive parking assist ........... 185
Driving assist systems ............. 191
2-5. Driving information Cargo and luggage ................. 197
Vehicle load limits .................. 200
Winter driving tips .................. 201
Trailer towing .......................... 205
Dinghy towing ......................... 206

148
2-1. Driving procedures
■When the “-” shift paddle switch is operated in the D position
When the “-” shift paddle switch is operated in the D position, a shift range will be
automatically selected. The highest gear of the first shift range will be one gear
lower than the gear in use during normal D position driving.
■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
●When range 6 is selected and the accelerator pedal is depressed
●If the accelerator pedal is depressed for more than a certain period of time
■To protect automatic transmission
A function is adopted that automatically se lects a higher shift range when the fluid
temperature is high.
■Gear position disp lay when driving
The current gear is displayed on the multi-information display. ( P. 1 6 5 )
■Downshifting restrictions warning buzzer
To help ensure safety and driving perfor mance, downshifting operation may some-
times be restricted. In some circumstance s, downshifting may not be possible even
when the shift lever or shift paddle switch is operated. (The warning buzzer will
sound twice.)
■When driving with the cruise control system
Engine braking will not occur during shif t range selection in the D position or S
mode, even when downshifting to range 5 or 4. ( P. 181)
■Snow mode automatic deactivation
Snow mode is automatically deactivated if the “ENGINE START STOP” switch is
turned off after driving in snow mode.
■If the shift lever cannot be shifted from P
P. 4 9 4

160
2-2. Instrument cluster
■Indicators
The indicators inform the driver of th e operating state of the vehi-
cle’s various systems.
*1: These lights turn on when the “ENGINE START STOP” switch is turned to IGNITION ON mode to indicate that a system check is
being performed. They will turn off after the engine is started, or after a
few seconds. There may be a malfunction in a system if a light does not
come on, or if the lights do not turn off. Have the vehicle inspected by
your Lexus dealer.
*2: The light flashes to indicate that the system is operating.
Turn signal indicator
( P. 1 5 0 )“ECT SNOW” indicator
( P. 1 4 5 )
Headlight high beam indi-
cator ( P. 1 6 9 )“ECT PWR” indicator
( P. 1 4 5 )
(U.S.A.)
Headlight indicator
( P. 1 6 7 )Cruise control indicator
( P. 181)
(Canada)
Tail light indicator
( P. 1 6 7 )
(if equipped)
Intuitive parking assist
indicator ( P. 1 8 5 )
Front fog light indicator
( P. 171) Slip indicator ( P. 1 9 2 )
Shift position and shift range indica-
tors ( P. 1 4 4 )
VSC off indicator
( P. 1 9 3 )
SRS airbag on-off indica-
tor ( P. 1 1 0 )
*1, 2
*1
*1

181
2
When driving
2-4. Using other driving systems
Cruise control
Use the cruise control to maintain a set speed without depressing the
accelerator pedal.
Indicator
Cruise control switch
■ Setting the vehicle speed
Press the “ON-OFF” button to
activate the cruise control.
Cruise control indicator will
come on.
Press the button again to deacti-
vate the cruise control.
Accelerate or decelerate the
vehicle to the desired speed,
and push the lever down to set
the speed.
The vehicle speed at the
moment the lever is released
becomes the set speed.
STEP1
STEP2

183
2-4. Using other driving systems
2
When driving
■Cruise control can be set when
●The shift lever is in the D or range 4 or higher of S has been selected.
●Range 4 or higher has been selected by using the paddle shift.
●Vehicle speed is above approximately 25 mph (40 km/h).
■Accelerating after setting the vehicle speed
●The vehicle can be accelerated normally. After acceleration, the set speed
resumes.
●Even without canceling the cruise control, the set speed can be increased by
first accelerating the vehicle to the desired speed and then pushing the lever
down to set the new speed.
■Automatic cruise control cancelation
Cruise control will stop maintaining the ve hicle speed in any of the following situa-
tions.
●Actual vehicle speed falls more than approximately 10 mph (16 km/h) below the
preset vehicle speed.
At this time, the memorized set speed is not retained.
●Actual vehicle speed is below approximately 25 mph (40 km/h).
●VSC is activated.
■If the cruise control indicator light flashes
Press the “ON-OFF” button once to deactiv ate the system, and then press the but-
ton again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels immediately
after being activated, there may be a malfun ction in the cruise control system. Have
the vehicle inspected by your Lexus dealer.

184
2-4. Using other driving systems
CAUTION
■To avoid operating the cruise control by mistake
Switch the cruise control off using the “ON-OFF” button when not in use.
■Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting in death
or serious injury.
●In heavy traffic
●On roads with sharp bends
●On winding roads
●On slippery roads, such as thos e covered with rain, ice or snow
●On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.
●During emergency towing

437
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Driver’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT LH30 APo w e r s e a t
2A/C7. 5 AAir conditioning system
3MIR HTR15 AOutside rear view mirror defoggers
4TV NO.110 ADisplay
5FUEL OPEN10 AFuel filler door opener
6TV NO.27. 5 A
7PSB30 A
8S/ROOF25 AMoon roof
9TA I L10 ATail lights, license plate lights, parking
lights
10PA N E L7. 5 ASwitch illumination, air conditioning
system, display, audio
11RR FOG7. 5 A
12ECU-IG LH10 A
Cruise control, air conditioning sys-
tem, power steering, rain sensor, anti-
glare inside rear view mirror, shift lock
system, moon roof, tire inflation pres-
sure warning system, VSC
13FR S/HTR LH15 ASeat heaters and ventilators