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

282-1. Basic information before operation
COROLLA_COROLLA
HV(TMMMS)_Navi_(U)
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. 7 1
 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 turned to
ACC or ON, the initial
screen will be displayed and
the system will begin oper-
ating.
Caution screen
WA R N I N G
●When the vehicle is stopped
with the engine running hybrid system operating>,
always apply the parking brake
for safety.
Maintenance information*
Restarting the system

312-1. Basic information before operation
COROLLA_COROLLA
HV(TMMMS)_Navi_(U)
2
Basic function
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 switch> is changed to ACC or
ON, the button may not oper-
ate properly. In this case,
remove anything touching the
button, turn the engine switch
to OFF and
then turn it to ACC or ON, or
restart the system by press
and hold the “POWER VOL-
UME” knob for 3 seconds or
more.
●Capacitive touch screen button
sensor sensitivity can be adjusted.
( P. 6 4 )
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 displayed
simultaneously.
Home screen operation

2168-2. Setup
COROLLA_COROLLA
HV(TMMMS)_Navi_(U)
is not 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 down-
loading.
• 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.214)
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.
5 To add another number to
this contact, select “Yes”.
■Registering a new contact
in a different way (from the
call history screen)
1 Display the phone top
screen. ( P.192)
2 Select “History” and select a
contact not yet registered in
the contact list.
3 Select “Add to Contacts”.
4 Follow the steps in “Register-
ing a new contact to the con-
tacts list” from step 2.
( P.216)
Registering a new contact
to the contacts list

2248-3. What to do if...
COROLLA_COROLLA
HV(TMMMS)_Navi_(U)
■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.212)
■Automatic message trans-
fer function is not enabled
on the cellular phone.
Enable automatic transfer func-
tion on the cellular phone.
■Connection confirmation
display on this system is
set to on.
To turn off the display, set con-
nection confirmation display on
this system to off. ( P.50)
*: The engine switch switch> is in ACC or ON.
■The cellular phone is not
close enough to this sys-
tem.
Bring the cellular phone closer
to this system.
■Radio interference 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 reinstall the battery
pack, and then restart the cellu-
lar phone.
Enable the cellular phone’s
Bluetooth
® connection.
Disable the Wi-Fi
® connection of
the cellular phone.
Stop the cellular phone’s secu-
rity software and close all appli-
cations.
Before using an application
installed on the cellular phone,
carefully check its source and
how its operation might affect
this system.
●For details, refer to the owner’s
manual that came with the cellular
phone.
New message notifications
are not displayed.
In other situations
The Bluetooth
® connection
status is displayed at the top
of the screen each time the
system is activated
*.
Even though all conceivable
measures have been taken,
the symptom status does not
change.