2021 AUDI E-TRON battery replacement
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4KE012721BF
Opening and closing
— Keep new or used batteries away from chil-
dren.
— If the battery compartment on a vehicle key
does not close securely, stop using the key
and keep it away from children.
— Seek medical attention immediately if you
suspect that a battery was swallowed or has
entered the body in any other way.
@ For the sake of the environment
Discharged batteries must be disposed of us-
ing
methods that will not harm the environ-
ment. Do not dispose of them in household
trash.
@ Tips
Replacement batteries for the vehicle key
must meet the same specifications as the
original battery.
Luggage compartment
lid
General information
— After closing the luggage compartment lid,
make sure that it is latched. The luggage
compartment lid could open suddenly while
driving, which would increase the risk of an
accident.
— Never drive with the luggage compartment
lid ajar or open, because poisonous gases
from the surrounding area can enter the ve-
hicle interior and increase the risk of asphyx-
iation.
— If there is a luggage rack (such as a bicycle
rack) on the luggage compartment lid, the
luggage compartment lid may not open
completely under certain circumstances or it
could close by itself if open due to the extra
weight. Therefore, the open luggage com-
partment lid must be given additional sup-
port or the cargo must first be removed
from the luggage rack.
— Applies to vehicles with power-operated or
sensor-controlled luggage compartment lid:
Pay careful attention when closing the lug-
gage compartment lid. Otherwise, you could
cause serious injury to yourself or others de-
spite the pinch protection.
ZA WARNING
— Applies to vehicles with anti-theft alarm sys-
tem: When the vehicle is locked from the
outside, no one - especially children - should
remain in the vehicle, because the windows
can no longer open from the inside
= page 35. Locked doors make it more diffi-
cult for emergency workers to enter the ve-
hicle, which puts lives at risk.
— Always close and lock the luggage compart-
ment lid and the doors when the vehicle is
not in use. Otherwise someone such as a
child could enter the vehicle through the
luggage compartment and become locked
inside it. To reduce the risk of injury, do not
allow children to play in or around the vehi-
cle.
— To reduce the risk of injuries by pinching,
make sure that no one is in the operating
area of the luggage compartment lid, in-
cluding the hinge areas and the upper and
lower edge of the luggage compartment lid.
@) Note
The luggage compartment lid can bump into
objects such as the garage ceiling when open-
ing and become damaged.
G) Tips
— The button on the vehicle key for the lug-
gage compartment lid may differ << or AS.
— When the vehicle is locked, the luggage
compartment lid can be unlocked separately
by pressing the
on the vehicle key. The luggage compart-
ment lid locks automatically when it is
closed again.
— The ability to open the luggage compart-
ment lid using the handle can be deactivat-
ed or activated in the MMI > page 33.
39
Page 295 of 308
4KE012721BF
Index
High-voltage battery.................. 108
Vehicle battery (12 Volt)............... 238
Winter operation (12 Volt vehicle battery) . 238
Battery (vehicle)
refer to High-voltage battery........... 108
Blinds
refer to Panoramic glass roof............ 44
Block TOU C cms & oscars ao aes oe eeeee & wae 201
BLOWERS woven: ae onsen 2 2 comes 2 2 cme ooo avo 85
Bluetooth
Audio playeh sre x 6 ceca ve wacene ao erties ow 216
Connecting adevice...............0-0- 230
Connecting a mobile phone............ 175
Deleting a device
Device overview..............02.0000-
Disconnecting adevice................ 230
Displaying/profiles « sscvie + » ensue 6 « seowee sv 6 231
Selecting adevice.............0..000. 230
Specifying a favorite.................. 23:1
Boost function...................000 eee 93
Brake fluid
Checking the brake fluid level........... 236
BrakeSiss « ¢ sas s & ewes 5 hee oe eee se eS 96
Brake tluidis ss sass 2 maim o wana ys won ee 236
Emergency braking function............. 99
HGCisu ¢ s sayou & @ Sayan % § MaWE ¢ & BaeoR 5 SeRDR 100
New brake pads..........-...--0000005 97
Brands = wee s 2 owen x ¢ eeu < eee 2 tom FE 232
Break-in security feature...............-. 35
Breaking in
New brake pads..............--0000005 97
ING WEEITOSE. « sxctons co sucesin wo semen oe 6 azectinn on a 248
Bulbireplacementss. «x issn s « sesrve + & arent w vo 280
Business'address’s « « sss os wows oo mewn ow 201
{.
California Proposition 65 Warning........ 233
Battery specific........... cece 238
GALLUISE cesses » sense @ © amscans a o omens a 6 emNEAU & 179
GaMOKaSiiwse 2 wim + mem o 6 emu ee om a Yo 130
Locations ..... 2... ee eee eee e ee eee 131
Capacities
Washer fluid reservoir................. 291
Cargo floor. ....... eee eee eee eee 83
Cargonet....... 2... eee eee ee 82
Garwash «5 sce so aspen «ome oo iene: © stents 261
Cell phone
refer to Telephone...........-.0eee eee 175
Cell phone compartment
refer to Audi phone box............... 177
Central locking....... eee eee cree eens 32
AULOILOGK « coos 2 5 canes 5 5 ten so ees Go eG 32
Convenience key sie + « soccais 2 6 seve + 6 sone « 37
Convenience opening and closing......... 44
Luggage compartment lid............... 40
Mechanically unlocking and locking....... 35
MessageS ......--. 0c cece eects 34
Remote control key.........0eee eee eee 37
SeGUING): © wwe: s 2 wesems x arene @ een aH ewe 33
Vehicle key... 0... cece eee ee eee ee 37
Central locking switch................5-5 34
Gentifieatiomis a < cvessus eo mano we wannew © a caste 288
Changing light bulbs................0.. 280
Charging
refer to Power sourceS.........--.000005 78
Charging clip
refer to Wall mount clip............... 125
Charging display...............2--000-- 114
Charging the battery
USB... eee 178, 217
Wirelessi. « wos « < auc a 2 sogee 4 2 mee 2 2 oe 178
Charging times « eves sz eee ee eews e ewewse 110
Child safety lock
Climate control system controls in the rear. 42
Power windows.............2.020 eee 42
Rear dGGFSs: « s saan x « seme as eee oo ew eo 42
Child safety seats.............0..000 eee 72
Securing to the top tether anchor........ 76
Securing with a safety belt.............. 75
Securing with LATCH..............--00. 74
Cleaning........... eee eee 261
Cleaning Alcantara................0000. 264
Cleaning artificial leather............... 264
Cleaning carbon components........ 263, 264
Cleaning controls « ses ss eens se cee s 6 ves 264
Cleaning decorative parts andtrim........ 263
Cleaning plastic parts.................. 263
Cleaning textiles...................... 264
Climate control system ...............0-- 84
Climate control system controls in the rear
CHINA SARELY LOCK wer ss saan ¢ seen Fo eee 2 42
293
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4KE012721BF
Index
Hotspot
refer to Wi-Fi... 66. cece eee 189
I
Idle
FEPEPCO GOST: ¢ + ave s van § Hades Ga Hoos 92
Ignition
Switching on and off...............000- 90
Imbalance (Wheels)... esis seeds woes 250
Immobilizer
refer to Electronic immobilizer........... 36
Indicator lights « sess s esses: sevu ge weep ee ee 7
Inspection interval. .........0s eee e seen 239
INStROMENECIUStEr: s saws « « save ye mane 3 oe 11
Adjusting the layout................... 12
Cleaning... . 6. cece cece eee eee 264
Failure... ee eee ee 11
Motorcodes: « scwss s & cas 3 2 meum 2 2 ewes es 231
On-board computer..............2..04. 14
Operating ...... 66... cece eee eee eee 12
Service interval display..............0. 239
Software information...............0- 231
Switching tabs.......... 0.000... ee eee 12
Switching the view.............2--000 eee 12
Vehicle Tunchions cis + «issu a «esi 9 6 eres 13
Version information..............0... 231
Instrument illumination................. 52
Integrated assistance................0-. 17
Integrated Toll Module................. 139
Intelligent search
Navigation.................0..0.000. 195
Interference-Causing Equipment Standard
(ICES)... eee eee eee eee 289
Interior lighting............-.....00e 51:52
Interior monitoring................0000- 35
Intermittent mode (windshield wipers) ..... 54
International travel. «sso 6s awe oe wee 6 190
Internet
refer toconnect.......... cece eee eee 186
Internet radio
refer
to Online radio.............. 211,212
Intersection assistant.................. 163
TONIZer eee 86
iPhone
refer to Audi music interface........... 217
J
Jump starting....................0.00. 274
K
Key. eee eee ee 32,36
Convenience opening and closing......... 44
Key*replacement:. . «css se ones ee ons aes 36
Mechanical key............02.000 02000 36
NOURGCOONIZEO = acces ¢ = caves + Stee 3 Eee 91
PANIG Butt ois: 2s ceinane mo scat 2 x cucuaie 3 ov 36
Replacing the battery.................. 38
Unlocking and locking................-- 37
Vehicle COd€ wis ¢ s wea ¢ ¢ name + ¢ wee ss 36
K@YUSERs « ¢ sews + © sees « © ces ¢ © dees oF es 30
KiCkK-COWils : nacy s 3 seme x a ems 2 5 tome £2 ee 93
L
Lane assist
refer to Lane departure warning......... 155
refer to Lane guidance................ 155
Lane departure warning................. 155
Cleaning the camera area.............. 262
Lane guidance.................-00 000s 147
LASOR SCANNER: 5 cocswee iso cecese ox votes 2 w omer 130
Cleaning....... 66... cece eee eee eee 263
LATCH (securing child safety seats)......... 74
Launch Control. .....................005 93
Leather care andcleaning............... 264
Legal information
License subscriptions................. 231
Software information................. 231
Software licensesii:s « «sau ox sean + siaema « 231
Version information...............4.. 231
License plate bracket..............0000. 287
Lifting points (vehicle jack).............. 271
Light/rain sensor
Headlights ....... 0... cece eee eee eee 48
Intermittent mode (windshield wipers).... 54
Lighting
EXtGCiOrs » wens 2 v new 2 o gow © Kamm oe ree 48
TR@ Ki ON, csswess «+ ssctie 2 o stesinne © eowiente w= sarees © 51
LIQIES 3 ccccoe 2 x sneave a v emcee v ences 2s eum ¥ ee 48
Lights on the charging port
refer to Charging display............... 114
297
Page 302 of 308
Pedal Siciiie 2 venesese © wees ee commen ov ances ov eneveve 93
Pedestrian detection...........0..0e00. 137
Perchlorate: « casi +s gaa + eam « s yews 6s oe 285
Peripheral.camerasisies ss exis ss cena ev cen 168
Phone
Connecting a second mobile device...... 176
Disconnecting a mobile device.......... 77
Phonebook
refer to Directory.............e eee eae 180
PIN
4-digit myAudi PIN..............-..4.- 29
Protection acne « 2 scasere o 2 ensece 6 a someee 6 states 30
Playback (miedia)'s « 2 sass x 2 saws oe em oo 218
Podcast
refer to Online radio...........06. 211,,212
POliSHINGpeass + 2 vei oo oan see a oO a we 263
PollUtantTilters » asi ss wees waawy + eeu a 84
Power closing (doors). ..cs.sscves se reese 32
Power Meter’: sows se eens sy eres xe ees 11.13
Power SourceS... 2.2.0... e eee ee eee 78,217
Power windows...........-.0 00 eee ee eee 43
MalfURGHOMin: + nase 2 pews x ¥ momma e eaUeE 43
Power windows malfunction.............. 43
Predictive control.......... eee eee ee eee 148
Predictive messages.................0-. 143
pre sense
refer to Audi presense.............008 156
Presentation mode.............02-000ee 206
Presets
RadiOvews ¢ ¢ sess ¢ yee ge ee ge ew cs 210
Presets list
refer'to Presetsie. . 2 sees ee sewn eres ve 210
Pressure
Tire pressure monitoring system........ 259
TireS 0 eee 251
Profile picture... 2.2... 2 eee eee eee 29
Protecting........... cece eee eee eee eee 263
Pyrotechnic elements........0....0eeee 285
Q
QUATERO's: = wsnans + ccswene x x suenece = w tenons G x anoR & 105
Selective wheel torque control.......... 106
Quick charging. ........... cece eee eee 109
300
Radio... eee eee eee eee eee ee 207
RagiOte Xtc x o wave s 2 gem a a eeees ¥ 2 eee 210
StAtiOMilist oes a x wane on cccwowe te ot anmsaus aed 207
Radio communications equipment........ 287
Radio equipment...............-+-008- 287
Radio Standards Specification (RSS) ....... 288
RaiUVeanniens « savaz 2 < sais ¢ © RavOR & E Sane Gs 103
Rain/light sensor
Headlights i; << secu ss eeee os ees se eee 48
Intermittent mode (windshield wipers).... 54
Random
refer to Shuffle...............00000 0 220
R@NGR’. » « sarseus » « ounces wm sninaede & w smoues «maa 14
RangesMode isies ceisin eo rarer ee nave oo oreo 95
RANGE MOMITOP. 5 & sess 2 & coamese & & osevems & + seen 95
Range‘potentials cos «5 css ys sees 2 6 ces e 95
Range (CLS CEC) ws + yap 2 remy ss qwme ges 202
Reading lights: < = sess = = seme se vem 2 tees 51
Rear cross-traffic assist............0000. 173
Rear lid
refer to Luggage compartment lid........ 40
Rearview camera: = i esas ei eres ss eee ees 168
Rear window defogger............-..0--- 86
Rear wiper blades
GHANGING!ss 5 = mene 3 x emp ee ome 4 o ReRS By
Cleaning ies 2 sscowe 2 a soeneve ¥ cavens we © eumeoi we © ee 57
REAR (climate control system)............ 85
Recirculation Mode « sei ¢ 2 aes x 2 cays va on 86
RecUPEration sas 2s exaw cs ees oo eee e 14, 94
RefriGePaNtOl lias so wees se aes s Keees ERE 291
Remote access authorization (key user)..... 30
Remote control
Garage door opener...........-.2ee eee 45
Remote control key 36
Convenience opening and closing......... 44
Key replacement............00. 00 eee 36
LED... eee 38
PANIC fUNCtION:. « eas 2s wee ss wees es He 36
Replacing the battery.................. 38
Unlocking and locking...............05. 37
also refer to Vehicle key..............-. 36
Removing the caps (wheel bolts)......... 270
REDAINS « aime » & earas 3 & Sans & § See 7 x HERE G 285
Replacement key... 0... 2... eee eee e ee eee 36