2021 AUDI E-TRON engine coolant

4KE012721BF
Checking and Filling

Checking and Filling
Motor compartment
(eT e @eleurlsela)
Special care is required if you are working in the
motor compartment
For work in the motor compartment, such as
checking and filling fluids, there is a risk of in-
jury, scalding, accidents, and burns. For this
reason, follow all the warnings and general
safety precautions provided in the following in-
formation. The vehicle's motor compartment is
a dangerous area. > /\.
Explanation of warnings (sticker in the motor
compartment):
©
Bs
Ay
Always follow the instructions in the op-
OA erating manual.

Hot motor components!
Rotating parts!

The radiator fan can switch on at any
time!

High voltage! The voltage in the high-
voltage system is high enough to cause
fatal injuries. Touching a damaged high-
voltage component can result in a fatal
electric shock.



— The coolant expansion tank cap is equipped
with a seal that must never be removed un-
der any circumstances > page 236. If the
coolant expansion tank is not sealed, con-
tact an authorized Audi dealer or authorized
Audi Service Facility.
— The cap on the coolant expansion tank must
never be opened when the coolant is hot.
The cooling system is under pressure.
—To protect your face, hands, and arms from
hot steam or coolant, cover the cap with a
thick cloth when opening.
— All work on the battery or electrical system
in your vehicle can result in injuries, chemi-
cal burns, accidents, or burns. Because of
this, all work must be performed only by an
authorized Audi dealer or authorized Audi
Service Facility.
— Limit your exposure to chemicals to as short
atime as possible.


Z\ WARNING
— Switch the ignition off.
— Set the parking brake.
— Select the “P” (Park) selector lever position.
— Keep children away from the motor com-
partment.
— Never spill operating fluids in the motor
compartment.
— Avoid short circuits in the electrical system.
— Never open the hood when there is steam or
coolant escaping from the motor compart-
ment, because there is a risk that you could
be burned. Wait until no steam or coolant is
escaping.
— The cap on the coolant expansion tank may
only be opened by an authorized Audi dealer

ZA WARNING
The voltage in the high-voltage system is high
enough to cause fatal injuries. Touching a
damaged high-voltage component can result
in a fatal electric shock. The components in
the high-voltage system are marked with a
warning label which warns of the high-volt-
age.
— The voltage level in the high-voltage system
is still dangerous and potentially life-threat-
ening when the ignition is switched off.
— Never perform work on orange high-voltage
cables or on high-voltage components. Only
authorized repair facilities that are certified
may perform work on the high-voltage sys-
tem.


or authorized Audi Service Facility.


Z\ WARNING
California Proposition 65 Warning:
— Engine exhaust, some of its constituents,
and certain vehicle components contain or
emit chemicals known to the State of Cali-
fornia to cause cancer and birth defects and
reproductive harm. In addition, certain flu-
ids contained in vehicles and certain prod-
ucts of component wear contain or emit

233

4KE012721BF
Checking and Filling

Col kel mel nator Tadnat-lal ae) lav (7
The most important check points.




Fig. 151 Reservoir locations
Observe the safety precautions > page 233, Gen-
eral information.
@ Washer fluid reservoir (>) > page 239
@ Coolant expansion tank (-£) under a cover
=> page 236
@® Brake fluid reservoir (O) under a cover
=> page 236
Cooling system
The cooling system is filled with a mixture of pu-
rified water and coolant additive at the factory.
This coolant must not be not changed.
The coolant level is monitored using the BB indi-
cator light. However, you should occasionally
check the coolant level.

[RAZ-0572


Messages
| Turn off engine and check coolant level. See
owner's manual
The coolant level is too low.
Do not continue driving and switch the ignition
off. Add coolant. The vehicle must not be towed.
See an authorized Audi dealer or authorized Audi
Service Facility for assistance.
Electric drive: malfunction! Cooling system.
Please contact Service
There is a malfunction in the cooling system.
Drive to an authorized Audi dealer or authorized
Audi Service Facility immediately.
©) Note
Before winter weather begins, have an author-
ized Audi dealer or authorized Audi Service
Facility check if the coolant additive in your
vehicle matches the percentage appropriate
235
>

4KE012721BF
Index

Drives
refer to Media.............000eee 215, 218
Drive select
refer to Audi drive select............... 102
Drive systeM.... eee cee eee eee ee 94
Audi drive Sel@¢t ecw. « 2 cep = 2 oxyye « 2 ses 102
Emergencyote ccs « cae » x cnn» « wm a x 90
Switching on and off................-.. 90
Driving down hills............ 0... e eee 100
Driving program...........e eee eee 93,152
Driving through water................0. 101
DIVING LIMES. 5 cases 6 o erasers oo aricens ov & erates & 8 Y 14
Driving tips
Driving through water...............0- 101
Efficient driving.................. eee 96
Offroad driving sss + ¢ saws x eres so ewes 100
Uphill and downhill................... 100
Drivingeup Wills'. = sccvsie e sewn «x cowie io cee 100
DVD AIIVGs. . & weson 6 2 avin 4 a worcias oo comm eo 216
E
EsMails s « moos « 9 maw 3 2 aes = garem 2 2 nae 4 184
EDL
refer to Electronic Differential Lock...... 105
EDR
refer to Event Data Recorder (EDR)...... 281
Efficiency assist.............002.000005 142
Predictive control.................005 148
Electrical system... 2... cee eee ee eee ee 237
Electric drive system. ............000000- 94
Electric motor
Coolant........ 2.0... ce eee eee eee eee 235
Electric range... 2. eee eee eee eee 202
Electromechanical parking brake.......... 98
Electronic Differential Lock.............. 105
Electronic immobilizer.............0.0005 37
Electronic Stabilization Control........... 105
Embedded SIM card sewy: s = saws s 2 mews so oe 187
Emergency assiStuss « 2 mes ¢ 2 wees zs mem ¢ 164
Emergency assistance.................. 267
Emergency braking function.............. 99
Emergency call.............000005 182,191
Emergency flashers..............00 eee ee 50
Emergency Mode iiss a + snus i 0 mses + 6 amenae « 3 94
Emergency operation
DOOrs .. eee eee 35
Luggage compartment lid............... 42
Panoramic glass roof...............200. 45
Energy
Current consumption..............0000. 14
Reducing consumption................. 96
Energy recovery............0.00-00 ee eee 94
Engine braking effect
refer to Recuperation................4. 94
Engine start system...............0.000. 91
Entry/exit lighting................-.000- 50
Entry assistance...................0000- 61
also refer to Exit assistance............. 61
ESC
refer to Electronic Stabilization Control... 105
ESC Offf6dd ows « « mews sa wows + o eee ve wee 106
eSIM
refer to Embedded SIM card............ 187
Event Data Recorder (EDR).............. 281
EXit ASSIStANGE wens + i seers « & gees og eee Es 61
EXIC WanniiG:cs + « xeme + & eavas 3 & Same & ¥ oes 162
Exterior antenna........... eee cece eens 178
Exterior lighting. .................0.000. 48
Exterior mirrors... 02.0... 0.00 eee eee ee 52
FolditigsettingS a ¢ scaa ss ieee es reese 33
External voice operation................. 26
F
Factory default settings
Multi Media Interface................. 229
RaSUTOOLG « scams 3 & Seeon & § SeaoR Ys GHEE Tt RG 195
Favorites... . eect eee eee 19
Bluetooth): : «sss ¢ : seees : pean a s weeps 2s 231
Navigation i « suns + x oss % 8 mossy oo anese 196
Telephone........... 0... e eee eee ee 180
Federal Communications Commission (FCC) . 288
File formats (media drives).............. 223
Fog WINdOWS)vscns x 2 averse oo seusiee v8 aeanavk «a vee 86
Folding the rear seats... evi 6 6 ewes ven 82
Footwell temperature................... 87
For the sake of the environment
LO AKStecs sv seco © wteuene % o crete w # anc ww eee 234
Forward gear
referto Gear. i... . eee eee eee 92
295