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
<power 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 <the
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 <power
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
<power 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 <power 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 <power
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.