Page 118 of 664

118
SIENNA_OM_01999-08001_(U)
3-2. Opening, closing and locking the doors
■When all the doors are locked with the wireless remote control or key
The doors cannot be unlocked with the door lock switch.
The door lock switch can be reset by unlocking all the doors with the wireless
remote control or key.
■ Using the mechanical key (vehicles with a smart key system)
The doors can also be locked and unlocked with the mechanical key.
(P. 581)
■ Conditions affecting the operation of the smart key system or wireless
remote control
Vehicles without a smart key system
The wireless remote control function may not operate normally in the follow-
ing situations:
● Near a TV tower, radio station, electric power plant, airport or other facility
that generates strong radio waves
● When carrying a portable radio, cellular phone or other wireless communi-
cation devices
● When multiple wireless keys are in the vicinity
● When the wireless key is in contact with, or is covered by, a metallic object
● When a wireless key (that emits radio waves) is being used nearby
● When the wireless key has been left near an electrical appliance such as a
personal computer
● If window tint with a metallic content or metallic objects is attached to the
rear window
● Vehicles with AUTO ACCESS SEAT: If the wireless remote control of the
AUTO ACCESS SEAT is operated simultaneously, the AUTO ACCESS
SEAT may not operate properly.
For details, refer to “AUTO ACCESS SEAT OWNER’S MANUAL”.
Page 119 of 664

SIENNA_OM_01999-08001_(U)
1193-2. Opening, closing and locking the doors
3
Operation of each component
Vehicles with a smart key system
The smart key system uses weak radio waves. In the following situations, the
communication between the electronic key and the vehicle may be affected,
preventing the smart key system and wireless remote control from operating
properly. (Way of coping P. 581)
● When the electronic key battery is depleted
● Near a TV tower, electric power plant, gas station, radio station, large dis-
play, airport or other facility that generates strong radio waves or electrical
noise
● When carrying a portable radio, cellular phone, cordless phone or other
wireless communication devices
● When the electronic key is in contact with, or is covered by the following
objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
● When multiple electronic keys are in the vicinity
● When another wireless key (that emits radio waves) is being used nearby
● When carrying or using the electronic key together with the following
devices that emit radio waves
• Another vehicle’s electronic key
• A wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
● If window tint with a metallic content or metallic objects are attached to the
rear window
● Vehicles with AUTO ACCESS SEAT: If the wireless remote control of the
AUTO ACCESS SEAT is operated simultaneously, the AUTO ACCESS
SEAT may not operate properly.
For details, refer to “AUTO ACCESS SEAT OWNER’S MANUAL”.
■ Customization
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features: P. 622)
Page 320 of 664

320
SIENNA_OM_01999-08001_(U)
5-1. Basic Operations
Steering wheel audio switches
Vo l u m e s w i t c h• Increases/decreases volume
• Press and hold: Continuously increases/decreases volume
Cursor switch (“ ” and “ ”)
• Selects (radio stations/radio presets/tracks/files/songs)
• Press and hold: Fast up/ down (radio stations)
• Fast up/down (tracks/files)
Cursor switch (“ ” and “”)
• Seek up/down (radio station)
• Press and hold: Continuously seek up/down (radio station)
• Press and hold: Fast forwar d/rewind (tracks/files/songs)
“MODE/HOLD” switch • Changes audio source
• Press and hold this switch to mute or pause the current operation To cancel the mute or pause, press and hold.
Back switch • Returns to the previous scr een (Only when the back button is
displayed)
Enter switch • Displays the preset/list screen
• Selects items
Some audio features can be c ontrolled using the switches on
the steering wheel.
Operation may differ depending on the type of audio system or
navigation system. For details, refer to the manual provided with
the audio system or navigation system.
Operating the audio system using the steering wheel switches
1
2
3
4
5
Page 335 of 664
335
SIENNA_OM_01999-08001_(U)
5-4. Using the radio
5
Audio system
Radio operation
Pressing the “AUDIO” button displays the audio control screen from
any screens of the selected source.
Audio source selection screen
appears
Preset stations
Scanning for receivable station
Select to display a list of receiv-
able stations
Setting the sound ( P. 334)
Tune in to the desired station using one of the following methods.
■Seek tuning
Press the “ ” or “” button on “SEEK•TRACK”.
The radio will begin seeking up or down for a station of the nearest
frequency and will stop when a station is found.
■Manual tuning
Turn the “TUNE•SCROLL” knob.
■Preset stations
Select the desired preset station.
Select “AM” or “FM” on the audio source selection screen to
begin listening to the radio.
Audio control screen
1
2
3
4
5
Selecting a station