wheel Lexus HS250h 2010 Using the Bluetooth audio system / LEXUS 2010 HS250H (OM75006U) Workshop Manual

245
2-5. Driving information
2
When driving
Selecting tire chains
Use the correct tire chain size when mounting the tire chains. Chain size
is regulated for each tire size.
Side chain:0.12 in. (3 mm) in diameter
Cross chain:
0.16 in. (4 mm) in diameter
Regulations on the use of tire chains
Regulations regarding the use of tire chains vary depending on location
and type of road. Always check local regulations before installing chains.
■When parking the vehicle
Park the vehicle and push the P position switch and block the wheel
under the vehicle without setting the parking brake. The parking
brake may freeze up, preventing it from being released.
■Tire chain installation
Observe the following precautions when installing and removing chains:
●Install and remove tire chains in a safe location.
●Install tire chains on the front tires only. Do not install tire chains on the rear tires.
●Install tire chains on front tires as tightly as possible. Retighten chains after driv -
ing 1 /4 
1/2 mile (0.5  1.0 km).
●Install tire chains following the instru ctions provided with the tire chains.

246
2-5. Driving information
CAUTION
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents. 
Failure to do so may result in a loss of vehicle control and cause death or serious
injury.
●Use tires of the size specified.
●Maintain the recommended level of air pressure.
●Do not drive in excess of 75 mph (120 km/h ), regardless of the type of snow tires
being used.
●Use snow tires on all, not just some wheels.
■Driving with tire chains
Observe the following precautions to reduce the risk of accidents. 
Failure to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury.
●Do not drive in excess of the speed limit specified for the tire chains being used,
or 30 mph (50 km/h), whichever is lower.
●Avoid driving on bumpy road surfaces or over potholes.
●Avoid sudden turns and braking, as use of chains may adversely affect vehicle
handling.
●Slow down sufficiently before entering a curve to ensure that vehicle control is
maintained.
NOTICE
■Repairing or replacing snow tires
Request repairs or replacement of snow tire s from Lexus dealers or legitimate tire
retailers. 
This is because the removal and attachment of snow tires affects the operation of
the tire pressure warning valves and transmitters.
■Fitting tire chains
The tire pressure warning valves and transmitters may not function correctly when
tire chains are fitted.

247
2-5. Driving information
2
When driving
Trailer towing
Lexus does not recommend towing a trailer with your vehicle. Lexus also
does not recommend the installation of a tow hitch or the use of a tow hitch
carrier for a wheelchair, scooter, bicycle, etc. Your vehicle is not designed
for trailer towing or for the us e of tow hitch mounted carriers.

248
2-5. Driving information
Dinghy towing
NOTICE
■To avoid serious damage to your vehicle
Do not tow your vehicle with the four wheels on the ground.
Your vehicle is not designed to be dinghy towed (with 4 wheels on the
ground) behind a motor home.

250
3-1. Using the air conditioning system and defogger
Automatic air conditioning 
system..................................... 252
Rear window defogger 
switch ...................................... 260
Windshield wiper de-icer ...... 261
3-2. Using the audio system Audio system........................... 262
Using the radio ....................... 265
Using the CD player ............. 273
Playing MP3 and WMA 
discs.......................................... 281
Operating an iPod
® 
player ...................................... 288
Operating a USB memory 
player ...................................... 296
Optimal use of the audio 
system..................................... 304
Using the AUX adapter....... 307
Using the steering wheel 
audio switches...................... 308
Interior features3

263
3-2. Using the audio system
3
Interior features
■Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular phone is
be
ing used inside or close to the vehi cle while the audio system is operating.
Ti t l ePa g e
Using the radioP. 2 6 5
Using the CD playerP. 2 7 3
Playing MP3 and WMA discsP. 2 8 1
Operating an iPod® playerP. 2 8 8
Operating a USB memory playerP. 2 9 6
Optimal use of the audio systemP. 3 0 4
Using the AUX adapterP. 3 0 7
Using the steering wheel audio switchesP. 3 0 8

308
3-2. Using the audio system
Using the steering wheel audio switches
Turning the power on
Press when the audio system is turned off.
The audio system can be turned off by holding the switch down for 1 second
or more.
Some audio features can be controlled using the switches on the steering
wheel.
Turns the power on, selects
an audio source
Increases/decreases volume
Radio mode: Selects a radio station
CD mode: Selects a track, file (MP3 and
WM

A) and disc
Bluetooth
® audio mode: 
Selects a track and
albu
m
iPod
® player mode: 
Selects a song
USB memory player mode: 
Selects a file and folder

310
3-2. Using the audio system
Selecting an album
Press to select Bluetooth® audio mode.
Press and hold “ ” o
r “” on until you hear a beep.
Selecting a folder
Press to select USB memory player mode.
Press and hold “ ” o
r “” on until you hear a beep.
Selecting a disc in the CD player
Press to select CD mode.
Press and hold “ ” o
r “” on until you hear a beep.
■Canceling automatic selection of a radio station
Press
again.
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.

314
3-3. Using the Bluetooth® audio system
Using the Bluetooth® audio system
■Audio unit
Display 
A message, name, number,
etc. is display
ed.
Lower-case characters and
special characters cannot be
displayed.
Displays information that is
too long to be displayed at
one time on the display (pr

ess
and hold)
Selects items such as menu
and number 
Turn: Selects an item 
Press: Inputs the selected
item
Bluetooth
® connection con -
dition
If “BT” is not displayed, the
Bluetooth® audio system
cannot be used.
■ Steering wheel switches
Talk switch
Turns the voice command
s

ystem on (press)/turns the
voice command system off
(press and hold)

321
3-3. Using the Bluetooth® audio system
3
Interior features
Switching the display
Press .
Each time the button is pressed, the display changes in the following order:
Elapsed time  Album title  Tr a c k t i t l e  Artist name
Using the steering wheel audio switches
P. 308
■Bluetooth® audio system functions
Depending on the portable player that is conn
ected to the system, certain functions
may not be available.
■Display
 P.
2 7 7
■Error messages
“Memory Error”: This indicates a problem in the system.