2021 TOYOTA TUNDRA battery

161-1. Basic function
Weather alert display*1, 2
( P.166)
• Select to display important
weather information for the cur-
rent location or along the route.
Indicate during data commu-
nication performed via Data
Communication Module
(DCM)
*2
The reception level of Data
Communication Module
(DCM) display
*2 ( P. 1 6 )
The reception level of the
connected phone display
( P. 1 6 )
Remaining battery charge
display ( P. 1 7 ) Bluetooth
® phone connection
condition display ( P. 1 7 )
Wi-Fi
® connection condition
display
*2 (  P. 4 8 )
*1: Premium Audio only
*2: This function is not made avail-
able in some countries or areas.
●The number of status icons that
can be displayed differs depend-
ing on the displayed screen.
The level of reception does not
always correspond with the level
displayed on the cellular phone.
The level of reception may not
be displayed depending on the
phone you have.
When the cellular phone is out
of the service area or in a place
inaccessible by radio waves,
/ is displayed.
“Rm” is displayed when receiv-
ing in a roaming area. While
roaming, display “Rm” top-left
on the icon.
The receiving area may not be
displayed depending on the type
of Bluetooth
® phone you have.
Status icon
Status icons are displayed
at the top of the screen.
Status icon explanation
A
B
C
D
E
Reception level display
F
G

171-1. Basic function
1
Quick guide
While connected with cellular
phone
While using Data Communi-
cation Module (DCM)
While using Wi-Fi® hotspot
●When Wi-Fi® hotspot is off, no
item is displayed.
The amount displayed does not
always correspond with the
amount displayed on the Blue-
tooth
® device.
The amount of battery charge
left may not be displayed
depending on the type of the
Bluetooth
® device connected.
This system does not have a
charging function. An antenna for the Bluetooth
®
connection is built into the
instrument panel.
The condition of the Bluetooth
®
connection may deteriorate and
the system may not function
when a Bluetooth
® phone is
used in the following conditions
and/or places:
The cellular phone is obstructed
by certain objects (such as
when it is behind the seat or in
the glove box or console box).
The cellular phone is touching or
is covered with metal materials.
Leave the Bluetooth
® phone in a
place where the condition of the
Bluetooth
® connection is good.
Reception LevelIndicators
Poor
Excellent
Reception LevelIndicators
Poor
Excellent
Reception LevelIndicators
No connection
Connected
Remaining battery charge
display
Remaining chargeIndicators
Empty
Full
Bluetooth® connection
condition display
IndicatorsConditions
(Blue)
Indicates that the con-
dition of the Blue-
tooth
® connection is
good.

743-1. Basic operation
1Press the “MAP” button.
2 Check that the current posi-
tion map is displayed.
 To correct the current posi-
tion manually:  P.108
●While driving, the current position
mark is fixed on the screen and
the map moves.
●The current position is automati-
cally set as the vehicle receives
signals from the GPS (Global
Positioning System). If the current
position is not correct, it is auto-
matically corrected after the vehi-
cle receives signals from the GPS.
●After the 12-volt battery discon-
nection, or on a new vehicle, the
current position may not be cor-
rect. As soon as the navigation
system receives signals from the
GPS, the correct current position
is displayed.
1Select or to change
the scale of the map screen.
●The scale indicator bar appears at
the bottom of the screen.
●Select and hold or to con-
tinue changing the scale of the
map screen.
●The scale of the map screen can
also be changed by selecting the
scale bar directly. This function is
not available while driving.
●Pinch outward on the screen to
zoom in and pinch inward to zoom
out.
●In areas where a micro city map is
available, will change to
when the map screen is set to the
smallest scale.
For areas covered by the micro
city map (some major cities), a
micro city map on a scale of 75
ft. (25 m) can be selected.
When the map is scaled down to
150 ft. (50 m), changes to
and can be selected to dis-
play the micro city map.
Map screen operation
Current position display
Map scale
Micro city map

1214-1. Basic operation
4
Audio/visual system
“POWER VOLUME” knob:
Press to turn the audio/visual
system on and off. The system
turns on in the last mode used.
Turn this knob to adjust the vol-
ume.1
Press the “AUDIO” button.
2 Select “Source” or press
“AUDIO” button again.
3 Select the desired source.
●Dimmed screen buttons cannot be
operated.
●When there are two pages, select
or to change the page.
●When an Apple CarPlay/Android
Auto connection is established,
some system functions, such as
the following, will be replaced by
similar Apple CarPlay/Android
Auto function or will become
unavailable
*:
• iPod (Audio Playback)
• USB audio/USB video
• Bluetooth
® audio
• Toyota apps
*: This function is not made avail-
able in some countries or areas.
Some basics
This section describes
some of the basic features
of the audio/visual system.
Some information may not
pertain to your system.
Your audio/visual system
works when the engine
switch is in ACC or ON.
NOTICE
●To prevent the 12-volt battery
from being discharged, do not
leave the audio/visual system
on longer than necessary when
the engine is not running.
Turning the system on
and off
Selecting an audio source

1364-3. Media operation
Select to display the audio
source selection screen.
Select to return to the top
screen.
Select to display a song list
screen.
Select to display the play
mode selection screen.
Select to display the sound
setting screen. (P.122)
Select to set repeat playback.
( P.137)
Select to change the track.
Select and hold to fast
rewind.
Select to play/pause.
Select to change the track.
Select and hold to fast for-
ward.
Select to set random play-
back. ( P.137)
Displays cover art
Select to change the album.
Select to change the artist.
Select to change the playlist.
Select to display the audio
control screen of Apple Car-
Play. Turn to move up/down the
list. Also, the knob can be
used to enter selections on
the list screens by pressing it.
Press to change the track.
Press and hold to fast for-
ward/rewind.
●Some functions may not be avail-
able depending on the type of
model.
●When an iPod/iPhone is con-
nected using a genuine
iPod/iPhone cable, the
iPod/iPhone starts charging its
battery.
●Depending on the iPod/iPhone,
the video sound may not be able
to be heard.
●Depending on the iPod/iPhone
and the songs in the iPod/iPhone,
a cover art may be displayed. This
function can be changed to “On”
or “Off”. (
P.144) It may take time
to display the cover art, and the
iPod/iPhone may not be operated
while the cover art display is in
process.
●When an iPod/iPhone is con-
nected and the audio source is
changed to iPod/iPhone mode,
the iPod/iPhone will resume play-
ing from the same point it was last
used.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
Control panel
A
B

1404-3. Media operation
back. (P.140)
Select to change the album.
Displays cover art
Turn to move up/down the
list. Also, the knob can be
used to enter selections on
the list screens by pressing it.
Press to change the track.
Press and hold to fast for-
ward/rewind.
The track or album currently
being listened to can be
repeated.
1 Select .
●Each time is selected, the
mode changes as follows:
When random playback is off
• repeat all  track repeat  album
repeat  off
When random playback is on
• repeat all  track repeat  off
Tracks or albums can be auto-
matically and randomly
selected.
1 Select .
●Each time is selected, the
mode changes as follows:
• random (1 album random) 
album random (all album random)
 off
●Depending on the Bluetooth®
device that is connected to the
system, the music may start play-
ing when selecting while it is
paused. Conversely, the music
may pause when selecting
while it is playing.
●In the following conditions, the
system may not function:
• The Bluetooth
® device is turned
off.
• The Bluetooth
® device is not con-
nected.
• The Bluetooth
® device has a low
battery.
●When using the Bluetooth® audio
and Wi-Fi® hotspot functions at
the same time, the following prob-
lems may occur:
• It may take longer than normal to
connect to the Bluetooth
® device.
• The sound may cut out.
●It may take time to connect the
phone when Bluetooth® audio is
being played.
●For operating the portable player,
see the instruction manual that
comes with it.
●If the Bluetooth® device is discon-
nected due to poor reception from
the Bluetooth
® network when the
Control panel
Repeating
L
M
A
B
Random order

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.