2008 LEXUS RX400H radio

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3-2. Using the front audio system
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Interior features
RX400h_U■
Displaying radio text messages
Press twice.
If MSG is shown on the display, a text message will be displayed.
If the text continues past the end of the display, is displayed. Press and
hold until you hear a beep.
XM® Satellite Radio (if equipped)
■ Receiving XM
® Satellite Radio
Press until SAT is shown on the display.
The display changes as follows each time the button is pressed.
AM → SAT1 → SAT2 → SAT3
Turn to select the desired channel in the all categories or
press ∧ or ∨ on to select the desired channel in the cur-
rent category.
■ Setting XM
® Satellite Radio channel presets
Select the desired channel. Press and hold the button (from
to
) the channel is to be set to, and you hear a beep.
■ Changing the channel category
Press ∧ or ∨ on .
■ Scanning XM
® Satellite Radio channels
● Scanning channels in the current category
Press .
When the desired channel is reached, press the button
again.
STEP1
STEP2
STEP1
STEP2

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RX400h_U
■When the 12-volt battery is disconnected
Station presets are erased.
■Radio antenna type
●Detachable antenna
To remove a detachable antenna, carefully turn it counterclockwise.
●Wire antenna
The radio antenna is mounted inside the rear window.
■Reception sensitivity
●Maintaining perfect radio reception at all times is difficult due to the continually
changing position of the antenna, differences in signal strength and surrounding
objects, such as trains, transmitters, etc.
●To maintain clear radio reception, do not attach metallic window tinting or other
metallic objects to the antenna wire mounted inside the rear window.
■Receiving XM® Satellite Radio
An XM
® Satellite Radio is a tuner designed exclusively to receive broadcasts pro-
vided under a separate subscription. Availability is limited to the 48 contiguous
states and 10 Canadian provinces.
●XM® subscriptions
For detailed information about XM® Satellite Radio or to subscribe:
U.S.A. 
Visit on the web at www.xmradio.com
or call 1-877-515-3987.
Canada 
Visit on the web at www.xmradio.ca
or call 1-877-438-9677.
●Radio ID
You will need the radio ID when activating XM
® service or reporting a problem.
Select “CH000” using , and the receiver's 8-character ID number will
appear.
●Satellite tuner
The tuner supports only Audio Services (Music and Talk) and the accompanying
Te x t I n f o r m a t i o n o f X M
® Satellite Radio.
*: Terms and services provided by XM® Satellite Radio are subject to change with-
out notice.

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3-2. Using the front audio system
RX400h_U
■If the satellite radio does not operate normally
If a problem occurs with the XM
® tuner, a message will appear on the display. Refer
to the table below to identify the problem, and take the suggested corrective action.
ANTENNA
The XM® antenna is not connected. Check whether
the XM® antenna cable is attached securely.
There is a short-circuit in the antenna or the surround-
ing antenna cable. See a Lexus certified dealer.
UPDATING
You have not subscribed to the XM® Satellite Radio.
The radio is being updated with the latest encryption
code. Contact the XM
® Satellite Radio for subscrip-
tion information. When a contract is canceled, you can
choose the “CH000” and all free-to-air channels.
The premium channel you selected is not authorized.
Wait for about 2 seconds until the radio returns to the
previous channel or “CH001”. If it does not change
automatically, select another channel. If you want to lis-
ten to the premium channel, contact the XM
® Satellite
Radio.
NO SIGNAL
The XM® signal is too weak at the current location.
Wait until your vehicle reaches a location with a stron-
ger signal.
LOAD INGThe unit is acquiring audio or program information.
Wait until the unit has received the information.
OFF AIRThe channel you selected is not broadcasting any pro-
gramming. Select another channel.
-----
There is no song/program title or artist name/feature
associated with the channel at that time. No action
needed.

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Interior features
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Contact the XM® Listener Care Center at 1-877-515-3987 (U.S.A.) or 1-877-
438-9677 (Canada).
■Certifications for the radio tuner
This equipment has been tested and found to comply with the limits for a class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encour-
aged to try to correct the interference by trying one or more of the following:
●Reorienting or relocate the receiving antenna.
●Increasing the separation between the equipment and receiver.
●Connecting the equipment into an outlet on a circuit different from that to which
the receiver is connected.
●Consulting the dealer or an experienced radio/TV technician for help.
---
The channel you selected is no longer available. Wait
for about 2 seconds until the radio returns to the previ-
ous channel or “CH001”. If it does not change auto-
matically, select another channel.

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Interior features
RX400h_U
Using the steering wheel audio switches
Turning on the powerPress when the audio system is turned OFF.
The audio system can be turned off by holding the switch down for a few sec-
onds.
Changing the audio sourcePress when the audio system is turned ON. The audio source
changes as follows each time the switch is pressed.
FM1 →FM2 →CD changer →AM→ SAT1→SAT2 →SAT3
Adjusting the volume
Press + on to increase the volume and - to decrease the volume.
Hold down the switch to continue increasing or decreasing the volume.
Some audio features can be controlled using the switches on the steering
wheel.
Power on, select audio
source
Vo l u m e
Radio: Select radio stations
CD: Select tracks, files (MP3
and WMA) and discs

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RX400h_U
Selecting a radio stationPress to select the radio mode.
Press ∧ or ∨ on the to select a radio station.
To scan for receivable stations, press and hold the switch until you hear
a beep.
Selecting a track/file
Press to select the CD mode.
Press ∧ or ∨ on to select the desired track/file.
Selecting a disc in the CD player
Press to select the CD mode.
Press and hold ∧ or ∨ on until a beep is heard.
CAUTION
■To reduce the risk of an accident
Exercise care when operating the audio switches on the steering wheel.
STEP1
STEP2
STEP1
STEP2
STEP1
STEP2

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4-3. Do-it-yourself maintenance
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Maintenance and care
RX400h_U
■If you push the tire pressure warning reset switch accidentally
If initialization is performed, adjust the tire inflation pressure to the specified level
and initialize the tire pressure warning system again.
■When the initialization of the tire pressure warning system has failed
Initialization can be completed in a few minutes. However, in the following cases,
the settings have not been recorded and the system will not operate properly. If
repeated attempts to record tire inflation pressure settings are unsuccessful, have
the vehicle inspected by your Lexus dealer.
●When operating the tire pressure warning reset switch, the tire pressure warning
light does not flash 3 times.
●After carrying out the initialization procedure, the tire pressure warning light
blinks for 1 minute then stays on after driving for about 20 minutes.
■Routine tire inflation pressure checks
The tire pressure warning system does not replace routine tire inflation pressure
checks. Make sure to check tire inflation pressure as part of your routine of daily
vehicle checks.
■Tire pressure warning system certificationFor vehicles sold in the U.S.A.
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing 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.
NOTICE:
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful inter-
ference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.

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4-3. Do-it-yourself maintenance
RX400h_U
●Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment. For vehicles sold in Canada
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
CAUTION
■When inspecting or replacing tires
Observe the following precautions to prevent accidents.
Failure to do so may cause damage to parts of the drive train, as well as dangerous
handling characteristics, which may lead to fatal or injury accidents.
●Do not mix tires of different makes, models, tread patterns or treadwear.
●Do not use tire sizes other than those recommended by Lexus.
●Do not mix radial, bias-belted, or bias-ply tires.
●Do not mix summer, all season and winter tires.
■When initializing the tire pressure warning system
Do not push the tire pressure warning reset switch without first adjusting the tire
inflation pressure to the specified level. Otherwise, the tire pressure warning light
may not come on even if the tire inflation pressure is low, or it may come on when
the tire inflation pressure is actually normal.