BYD F3DM. Service Manual - part 6

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(i) SRS Indicator
This indicator will come on when the 
“IG-ON” mode is enabled. After about 
5 seconds, the indicator will go off.  
This means the system of the airbag is 
operating properly.
This indicator system is intended to 
monitor airbag ECU, crash sensor, air 
charging device, warning indicator, 
interconnecting wiring and power 
sources..
If either of the following conditions 
occurs ,this indicates a malfunction 
somewhere in the parts monitored by 
the indicator system.  Please contact 
BYD authorized dealer as soon as 
possible to service the vehicle: 
●  The  indicator  does  not  come  on 
when the “IG-ON” mode is enabled or 
remains on. 
● The indicator comes on while driving. 

(j) High Coolant Temperature Indicator 
The indicator operates to warn that 
engine and electric motor are almost 
overheating. Park the car immediately 
to cool down the engine or electric 
motor. 
The engine or electric motor may get 
overheated in the following cases: 
Driving up a long hill on a hot day; 
lack of or leakage of the coolant fluid.
When the car is through the stop-and-
go pattern in driving, the AC device 
is on together with the engine idle 
running for a long time.
When the car is used to tow a trailer

(k) Hybrid System Warning Indicator  
This indicator will come on when 
the  “IG-ON”  mode  is  enabled.  If 
the Dual Model system is working 
normally, the indicator will go off after 
several seconds. Later if the system 

malfunctions, this indicator comes on 
again. 
If any of the following cases occurs, 
this indicates a malfunction somewhere 
in the parts monitored by the indicator 
system and please contact BYD 
authorized dealer as soon as possible. 
The indicator does not come on 
when the “IG-ON” mode is enabled or 
remains on. 
The indicator comes on while driving.

NOTICE

Do not drive the vehicle with the 
indicator on—even for one block. It 
may ruin the power system. 

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(l)  Electric  Power  Steering  System 
Warning Indicator
This indicator will come on when 
the  “IG-ON”  mode  is  enabled.  If 
EPS  system  is  working  normally, 
the indicator will go off after several 
seconds. Later if there is a fault in the 
system, this indicator will come on 
again. 
If any of the following cases occurs, 
this indicates a malfunction somewhere 
in the parts monitored by the indicator 
system and please contact BYD 
authorized dealer as soon as possible.
●  The  indicator  does  not  come  on 
when the “IG-ON” mode is enabled or 
remains on. 
● This indicator comes on while driving.

CAUTION

If any of the following cases 
o c c u r s ,   i m m e d i a t e l y   s t o p 
your vehicle and contact BYD 
authorized dealer immediately. 
In this case, swerve would be 
very inflexible. You should hold 
the steering wheel firmly while 
driving.

 

y

The indicator does not come 

on  when  the  “IG-ON”  mode  is 
enabled or remains on. 
In  this  case,  EPS  system  may 
not work normally, so please park 
your car in a safe place. 

 

y

This indicator comes on while 

driving. 

(m) Low Power Indicator
The indicator comes on when the 
power is low, warning that driver shall 
lower the car speed and charge the 
battery immediately after parking. 

(n) Power Battery Failure Indicator
T h i s   i n d i c a t o r   c o m e s   o n   w h e n 
something was wrong.
If any of the following cases occur, this 
indicates a malfunction somewhere in 
the parts monitored by the indicator 
system and please contact BYD 
authorized dealer as soon as possible. 
● The indicator remains on when the 
“IG-ON” mode is enabled.
● The indicator comes on while driving.

(o) Electric Motor Failure Indicator
The indicator comes on when there is 
a failure in electric motor system. 

!

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If any of the following cases occur, this 
indicates a malfunction somewhere in 
the parts monitored by the indicator 
system, and please contact BYD 
authorized dealer as soon as possible. 
●  The  indicator  does  not  come  on 
when the “IG-ON” mode is enabled or 
remains on. 
● The indicator comes on while driving.

(p) Key Reminder Buzzer 
This buzzer reminds you to remove the 
key if you open the driver’s door when 
the ignition key is on “ACC” or “LOCK”. 

(q) Light Reminder Buzzer 
This buzzer reminds you to turn off the 
light if you open the driver’s door, with 
parking light or headlight on, 

Check Maintenance Indicator Lights
1. Pull up the brake parking handle. 
Braking system warning light will come 
on. 
2. Open a door.
The open door indicator comes 
on when the door does not close 
completely. 
3. Close all the doors. 
The open door indicator goes off when 
all doors closed completely.
4. When the “IG-ON” mode is enabled, 
apart from indicator for opened door, 
all the maintenance indicator lights 
come on. Several seconds later, ABS 
system fault indicator and SRS fault 
indicator go out.
If any maintenance indicator light or 
buzzer does not function as per the 
procedure above, please have the car 
checked in BYD authorized dealer as 
soon as possible.

NOTICE

If the red warning indicators (such 
as auxiliary battery charging system 
indicator, parking brake system 
indicator, low oil pressure indicator, 
high coolant temperature indicator ,Hybrid 
system warning indicator, Electric 
Power  Steering  System  Warning 
indicator, power battery failure 
indicator, electric motor failure 
indicator on the instrument panel 
come on while driving, please park 
your car immediately and check 
for fault as per instructions in this 
manual. If necessary, please contact 
BYD authorized dealer for help

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Chapter 1 

Section 1-6

—————————————————————————————

Operations of Instruments and Controllers

Ignition Switch, Parking Brake and Parking Assistance 

System

Ignition  Switch  Equipped  with  Steering  Wheel Auto-locking 
Mechanism ………………………………………………………… 86
Parking Brake ……………………………………………………… 86
Parking Assistance System ……………………………………… 87

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Ignition Switch Equipped with 

Steering Wheel Auto-locking 

Mechanism 

“START” – reserved gear. 
“ON” – start DM system and turn on all 
the auxiliary equipment. 
When  the  ignition  switch  is  turned 
to “ON”, each system of the vehicle 
performs self-detection function. 
“ACC” – only auxiliary equipment such 
as radio can be operated, but other 

high-voltage  equipment  cannot  be 
operated. 
If you open the driver-side door 
with the key in the position “ACC” 
or “LOCK”, the buzzer will sound to 
remind the driver to remove the key. 
“LOCK” – DM system stops working 
and steering wheel is locked. You can 
remove the key only in this position. 
M a k e   s u r e   y o u   i n s e r t   t h e   k e y 
completely before turning it from “ACC” 
to “LOCK”. 
When you start DM system, if the key 
seems to be locked in the position 
“LOCK”, firstly you should make sure 
the key is inserted completely and then 
turn the key while turning the steering 
wheel gently

Parking Brake

When parking your car, you must pull 
up the parking brake firmly to prevent 
the car from sliding. 
To set: Pull up the parking brake 
handle .For better parking effect, firstly, 
depress the brake pedal until the 
vehicle completely stops, then pull up 
the parking brake handle firmly.
To release: pull up the parking brake 
handle (as shown mark 1 in picture 
above) gently, then press down the 

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button (as shown mark 2 in the picture 
above) and then release it (as shown 
mark 3 in the picture above). 
To remind you that the parking brake 
has been set, the parking brake 
indicator light in the instrument panel is 
on until you release the parking brake.

NOTICE

Before driving, make sure that 
parking brake is fully released and 
the parking brake indicator is off.

Parking Assistance System

WARNING

Please follow the instructions 
below, otherwise it may cause 
unsafe driving which may result 
in an accident: 
Do not use the parking assistance 
system when the speed exceeds 
10Km/h (6.21miles/h). 

 

y

Do not add anything to the 

parking assistance system within 
the working scope of the sensor.

NOTICE

Before washing your BYD F3DM,be 
sure to observe the following 
instruction to avoid the risk of 
damage to your vehicle: 
Do not wash the sensor with water 
or steam, otherwise it may cause 
malfunction of the sensor.

When  parking  the  car,  the  parking 
assistance system, which can probe 
barriers through a sensor, will remind 
the driver of the distance between 
the car itself and the barriers through 
the buzzer. Please make sure to pay 
attention to the area around your 
vehicle when using this system. 

!

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Sensor Types 

1. Front Corner Sensor 
2. Rear Corner Sensor 
3. Rear Central Sensor
Parking Assistance Sensor Switch 
When the power supply is at “ON” and 
the switch turns on, the system enters 
working status.

When  pressing  the  switch

, the 

button ( ) will light up to remind the 

drivers that the system is working.

Alarm
When  any  obstacles  obstacle  are 
detected by the sensor, the system 
will give off different alarms according 
to the shape of the obstacles and the 
distance between the vehicle and the 
obstacles,

1. Front corner sensor is working
2. Rear corner sensor is working
3. Rear central sensor is working 
When any obstacles are detected, the 
indicator in corresponding position will 

light up.  

Distance Display and Buzzer 
When  any  obstacles  are  detected 
by the sensor, the indicator in 
corresponding position will flash 
according to the distance between 
the obstacles and the vehicle with the 
buzzer giving off the sound for warning. 

Working  Example  of  Rear  Central 
Sensor

Approximate 

Distance

Indicators 

Alarm

120 to 80 
cm

Flash

Slow

80 to 50cm 

Flash

Fast

50cm or 
shorter 

Always 
On

Last for 
seconds

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Working  Example  of  Front  Corner 
Sensor 

Approximate 
Distance

Indicators  Alarm

60 to 50cm 

Flash

Fast

50cm or 
shorter 

Always 
On

Last for 
seconds

About 600mm

About 1200mm

Sensor in working status
Front sensor will work when vehicle is 
driven forwards; and all the sensors 
will work when vehicle is driven 
backwards. 

About 600mm

About 1200mm

The probing range of sensor is 
displayed in the figure above. Please 
note that object extremely closed to the 
car may not be detected by the sensor 
and the probing range of sensor may 
vary with the shapes and materials of 
the obstacles.
Sensor-Detected Information 
A c c u r a c y   o f   d e t e c t i o n   m a y   b e 
affected by some car conditions and 
surroundings. Possible causes are 
listed below: 
● The sensor is dirty, wet or misty; 
● The sensor is snowy or frozen; 
● The sensor is covered;
● The car leans to one side obviously 

or overloaded; 
● Driving on the rugged road, slope, 
gravel road or grassland; 
● The sensor is repainted; 
● It is noisy around the car, due to the 
sound of horn, motorcycle’s engine, air 
brake of large vehicles or other noises 
generating ultrasonic waves. 
● There is another car equipped with 
parking assistance system nearby; 
● Towing ring is installed in the car; 
● The bumper or sensor is hit strongly; 
● The  car  are  close  to  a  higher  or 
zigzag road curb; 
● In very hot or cold weather;
●  Install  a  non-original  suspension 
which is lower than the original one; 
Beside conditions above, the actual 
distance between some objects and 
car may not be detected by the sensor 
due to the shapes of the objects.
Shapes and materials of the obstacles 

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may prevent the sensor from detecting. 
Pay more attention to obstacles below: 
● Electric wire, fence, rope, etc; 
●Cotton,  snow  and  other  materials 
absorbing radio wave;
●Objects  with  sharp  edges  and 
corners; 
●Low barrier; 
●High barrier with its top part extending 
towards your car; 
● Objects under the bumper; 
● Objects close to the vehicle; 
● People nearby the car (depending on 
the type of clothing the people wear) 
If the buzzer screams, any barriers 
may be detected by the sensor or 
the sensor may be interfered by 
the external environment. If this 
phenomenon continues to exist, please 
contact your BYD authorized dealer to 
have your vehicle inspected.

NOTICE

Parking assistance system can only 
perform an auxiliary function and 
cannot replace the driver to observe 
when driving. So please be careful 
when driving your vehicle.

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Chapter 1 

Section 1-7

—————————————————————————————

Operations of Instruments and Controllers

Auto Sound System

Use of Vehicle CD ………………………………………………… 92

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Use of Vehicle CD

Functions and Features 
1. CD usable
2. Built-in AM/FM radio 
3. Shock-proof mechanism 
4. 25W×4 maximum output power 
5. Audio input usable.

NOTICE

When  vehicle  is  not  started  and 
there is no need to use CD system, 
in order not to exhausting the 
battery, please turn off CD system.
Please do not splash drinks or other 
liquids on CD system. 
Disassembling any part of Vehicle 
CD is not allowed.
Using mobile phone may affect the 
effect of CD system.

Major Technical Parameters 

Items

Parameters

Unit

Working 
voltage

DC:11～16

V

Maximum 
output power

25W×4

W

Maximum 
working
electric 
current

10

A

FM frequency 
range

87.5～

108.0

MHZ

AM frequency 
range

522～1620

KHZ

Operation Instructions 
Multimedia CD sound system, one 
of  the  Vehicle  CD  series  products 
developed by BYD Auto Co., Ltd. 

can not only be used to play CD/MP3 
music,  but  also  to  receive AM/FM 
radio which can satisfy your demands. 
Advanced and innovative design and 
humanized use interface can make you 
a fashion leader. 
Major features:
Multimedia CD sound system can 
play both CD and CD-R (burning CD 
format) disk; MP3 audio input; built-in 
AM/FM stereo radio; 30W×4 maximum 
output power. 

Caution: 
Caution for using disk: 
1. Do not use disks of the following 
types, or it may damage the player 
or  disable  the  function  of  inserting/
ejecting disk. 

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√   ×

1) Only use disks with diameter of 12cm

2)

 Inferior or deformed disks

3)  Disks  with  transparent  or  semi-
transparent burning area
4) Disks sticked with adhesive tape 
and label

WARNING

In case of traffic accident, please 
take care when adjusting vehicle 
CD system.

 

√     ×

1) Do not touch the surface of disk with 

your hands when taking the disk

2) Wipe the disk from the inside out 
with soft cloth 

3)  Rub  the  inner  and  outer  edge  of 
new disk with the side of pencil or pen 
to remove chippings on the edge 

!

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Caution for Using CD player:
1. You are not allowed to put two disks 
in the CD player at the same time and 
do not put/take anything other than CD 
into CD player (coin, name card, etc.); 

1 )   D i s k   w i t h 
foam or other 
things

2) Do not insert other things in the disk 
entry, such as bank card and coin.
2. Multimedia CD sound system can 
play CD and CD-R (burning CD format) 
disk; 

   

×

VCD disk

 

√

CD disk

  

√

Recording disk
(Only for CD music)

3. Go to service store or buy specific 
cleaning disk in BYD authorized 
service station regularly (clean it every 
5,000km) for cleaning your CD player. 

Trouble Shooting 
1. Failure of CD Playing
1) Check if the specifications of disk 
are in compliance with the right status 
and please use 12 cm genuine CD 
disk; 
2)  Check  if  the  disk  is  scratched, 
diaphanous or dirty; if so, replace it 
with a genuine disk. 

2. Failure of Sound Playing
1) Check if CD player system is mute; 
if so, press “

” on the control panel 

to cancel mute setting; 
2) Check if connection wires of speaker 
are disconnected; if so, reconnect 
them.
3) Check if the speaker is damaged; 
if so, replace the speaker with a new 
one. If these three conditions above 
are normal, it usually may be caused 
by short circuit between certain group 
of speakers and the car body. 
3. No Sound Coming Out from Certain 
Speaker when Playing CD
In this case, please check if CD player 
system has a setup error. Solutions: 
enter channel shift settings, set the 
following modes BAS, TRE, BAL, FAD 
to “BAS: 0; TRE: 0; BAL: 0; FAD: 0” 
according to standard settings, and 
exit; then the sound will return to 

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normal. 
4. Poor Reception of FM/AM Radio in 
CD player
1) Check if the car is in an environment 
interfered by strong electromagnetic 
field or in a comparatively closed place 
underground. 
2)  Check  if  the  radio  station  stops 
broadcasting in a specified time, which 
leads to no radio signal.  

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Function Description of Vehicle CD Player Panel

Power/Volume 
Adjusting Knob

Auto Channel-
Saving Button

Radio  Tuning  /  Disk 
Track Selection Button

Play/Pause

Repeat Button

Ten-second Disk Preview

 

Button

Random Play Button

Audio Input Port

Last Disk Button

Stop

Next Disk Button

1-6 Channel Pre-selection

Disk Ejecting Button

Audio Tuning / Manual 

Tuning Button

CD Switch Button
AM Radio Selection 

Button

FM Radio Reception and 

Selection Button

Audio Input Reception and 
Switch Button

Mute 
Button

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