check engine TOYOTA TUNDRA 2021 Accessories, Audio & Navigation (in English)

262-1. Basic information before operation
2-1.Basic information before operation
After a few seconds, the caution
screen will be displayed.
After about 5 seconds or select-
ing “Continue”, the caution
screen automatically switches to
the next screen.
*: Premium Audio only
This system reminds users
when to replace certain parts or
components and shows dealer
information (if registered) on the
screen.
When the vehicle reaches a pre-
viously set driving distance or
date specified for a scheduled
maintenance check, the mainte-
nance remainder screen will be
displayed when the system is
turned on.
To prevent this screen from being displayed again, select
“Do Not Tell Me Again”.
 To register maintenance infor-
mation:  P. 6 6
 If is selected, the regis-
tered phone number can be
called.
When system response is
extremely slow, the system can
be restarted.
1 Press and hold the “POWER
VOLUME” knob for 3 sec-
onds or more.
Initial screen
When the engine switch is
in ACC or ON, the initial
screen will be displayed
and the system will begin
operating.
Caution screen
WARNING
●When the vehicle is stopped
with the engine running, always
apply the parking brake for
safety.
Maintenance information*
Restarting the system

292-1. Basic information before operation
2
Basic function
during operation
 If a button is touched quickly
 If the operable part of a
capacitive touch screen but-
ton is touched by or covered
with a metal object, such as
the following, it may not oper-
ate properly:
• Magnetic isolation cards
• Metallic foil, such as the inner
packaging of a cigarette box
• Metallic wallets or bags
• Coins
• Discs, such as a CD or DVD
 If the operable part of a
capacitive touch screen but-
ton is wiped, it may operate
unintentionally.
 If the capacitive touch screen
button is being touched when
the engine switch is changed
to ACC or ON, the button may
not operate properly. In this
case, remove anything touch-
ing the button, turn the engine
switch off and then turn it to
ACC or ON, or restart the sys-
tem by press and hold the
“POWER VOLUME” knob for
3 seconds or more.
●Capacitive touch screen button
sensor sensitivity can be adjusted.
( P. 6 0 )
1 Press the “HOME” button.
2 Check that the home screen
is displayed.
 Selecting a screen will display
it full screen.
●The display information and area
on the home screen can be cus-
tomized.
●The home screen can be set to
several types of split layouts.
Home screen
On the home screen, multi-
ple screens, such as the
audio/visual system screen,
hands-free screen and
clock screen, can be dis-
played simultaneously.
Home screen operation

422-2. Connectivity settings
5Check that a confirmation
screen is displayed when the
connection is complete.
 If an error message is dis-
played, follow the guidance
on the screen to try again.
●It may take time if the device con-
nection is carried out during Blue-
tooth
® audio playback.
●Depending on the type of Blue-
tooth® device being connected, it
may be necessary to perform
additional steps on the device.
●When disconnecting a Bluetooth®
device, it is recommended to dis-
connect using the system.
■Connecting a Bluetooth®
device in a different way
(from phone top screen)
 P. 1 8 2
■Connecting a Bluetooth®
device in a different way
(from phone setup screen)
 P. 1 9 7
■Connecting a Bluetooth®
device in a different way
(from Bluetooth
® audio
screen)
 P. 1 4 1
■Auto connection mode
To turn auto connection mode
on, set “Bluetooth Power” to on.
( P.45) Leave the Bluetooth
®
device in a location where the
connection can be established.
 When the engine switch is in ACC or ON, the system
searches for a nearby regis-
tered device.
 The system will connect with
the registered device that was
last connected, if it is nearby.
When automatic connection
priority is set to on and there
is more than one registered
Bluetooth
® phone available,
the system will automatically
connect to the Bluetooth
®
phone with the highest prior-
ity. ( P. 4 5 )
■Connecting manually
When the auto connection has
failed or “Bluetooth Power” is
turned off, it is necessary to con-
nect the Bluetooth
® device man-
ually.
1 Display the Bluetooth
® set-
tings screen. ( P.40)
2 Follow the steps in “Connect-
ing a Bluetooth
® device” from
step 2. ( P.41)
■Reconnecting the Blue-
tooth
® phone
If a Bluetooth
® phone is discon-
nected due to poor reception
from the Bluetooth
® network
when the engine switch is in
ACC or ON, the system auto-
matically reconnects the Blue-
tooth
® phone.

2028-2. Setup
4Transfer the contact data to
the system using a Blue-
tooth
® phone.
 This operation may be unnec-
essary depending on the type
of Bluetooth
® phone.
 To cancel this function, select
“Cancel”.
5 Check that a confirmation
screen is displayed when the
operation is complete.
Backed-up contact data
(“vCard” formatted) can be
transferred from USB device or
Bluetooth
® phone to this sys-
tem.
1 Connect a USB device.
( P.122)
2 Select “Transfer Contacts
from Device”.
3 Select “From USB”.
4 Select “USB 1” or “USB 2”
when the multiple USB
devices are connected. If a
USB device is connected,
skip this procedure.
5 Select “Replace Contacts” or
“Add Contact”. If the contact
is already registered, skip
this procedure.
“Replace Contacts”: Select to trans-
fer the contact from the connected
USB device or Bluetooth
® phone
and replace the current one.
“Add Contact”: Select to transfer the desired contact data from the
connected USB device or Blue-
tooth
® phone to add to the current
one.
6 Select a desired file from
vCard file list.
7 Check that a confirmation
screen is displayed when the
operation is complete.
●Depending on the type of Blue-
tooth® phone used and number of
files, it may take time to display
vCard file lists and download con-
tacts.
●Downloading may not complete
correctly in the following cases:
• If the engine switch is turned off during downloading.
• If the USB device or Bluetooth
®
phone is removed before down-
loading is complete.
New contact data can be regis-
tered.
Up to 4 numbers per person can
be registered. For PBAP com-
patible Bluetooth
® phones, this
function is available when “Auto-
matic Transfer” is set to off.
( P.199)
1 Select “New Contact”.
2 Enter the name and select
“OK”.
3 Enter the phone number and
select “OK”.
4 Select the phone type for the
phone number.
From USB device
Registering a new contact
to the contacts list

2108-3. What to do if...
New message notifications are
not displayed.
■In other situations
The Bluetooth
® connection sta-
tus is displayed at the top of the
screen each time the engine
switch is in ACC or ON.
Even though all conceivable
measures have been taken, the
symptom status does not
change.
Likely causeSolution
Notification of
SMS/MMS/E-
mail reception on
this system is set
to off.Set notification
of SMS/MMS/E-
mail reception on
this system to
on. ( P.198)
Automatic mes-
sage transfer
function is not
enabled on the
cellular phone.Enable auto-
matic transfer
function on the
cellular phone.
Likely causeSolution
Connection con-
firmation display
on this system is
set to on.
To turn off the
display, set con-
nection confir-
mation display
on this system to
off. ( P. 4 6 )
Likely causeSolution
The cellular
phone is not
close enough to
this system.Bring the cellu-
lar phone closer
to this system.
Radio interfer-
ence has
occurred.
Turn off Wi-Fi®
devices or other
devices that may
emit radio
waves.
The cellular
phone is the
most likely cause
of the symptom.
Turn the cellular
phone off,
remove and rein-
stall the battery
pack, and then
restart the cellu-
lar phone.
Enable the cellu-
lar phone’s Blue-
tooth
®
connection.
Disable the Wi-
Fi
® connection of
the cellular
phone.
Stop the cellular
phone’s security
software and
close all applica-
tions.
Before using an
application
installed on the
cellular phone,
carefully check
its source and
how its opera-
tion might affect
this system.