2018 AUDI A4 ECU

Emergency situations
-When connecting jumper cables, make sure
that they cannot get caught in any moving
parts in the engine compartment.
-Do not bend over the batteries -danger of
chemical burns!
-The battery cell locking screws must be
tightened securely.
-Before you check anything in the engine
compartment, always read and heed all
WARNINGS
c> page 323.
(D Note
Improper hook-up of jumper cables can ruin
the generator.
- Always connect POSITIVE(+) to POSITIVE
(+), and NEGATIVE(-) to NEGATIVE(-)
ground post of the battery manager control
unit.
- Check that all screw p lugs on the battery
cells are screwed in firmly. If not, tighten
plugs prior to connect ing clamp on negative
battery terminal.
-Please note that the procedure for connect ­
i ng a jumper cable as described above ap­
plies specifically to the case of your vehicle
being jump started . When you are giving a
ju mp start to another vehicle, do
not con­
nect the negative (-) cable to the negative
(-) terminal on the discharged batte ry @
c> fig. 296. Instead, securely connect the
negative( -) cab le to either a solid metal
component that is firm ly bolted to the en­
gine block or to the engine block itself. If
the battery that is being charged does not
vent to the outside, escap ing battery gas
could ignite and explode!
Towing with a tow truck
General hints
Your Audi requires special handling for towing.
The following information is to be used by com­
mercial tow truck operators who know how to op­
erate the ir equipment safely.
-Never tow your Audi, towing will cause dam­
age to the engine and transmission.
376
-Never wrap the safety chains or winch cables
around the brake lines .
- To prevent unnecessary damage, your Audi
must be transported with a flat bed truck .
- To load the vehicle on to the flat bed, use the
towing loop found in the vehicle tools and at­
tach to the front or rear anchorage
i:>page 376 and i:>page 377 .
A WARNING
A vehicle being towed is not safe for passen­
gers. Never allow anyone to ride in a vehicle
being towed, for any reason.
Front towing loop
Only install the front towing loop when it is
needed.
Fig. 297 F ront bumper: installing the towing loop
The threaded opening for the towing loop is lo­
cated on the right s ide of the front bumper.
.,. Remove the towing loop from the vehicle too l
ki t
c> page 360 .
.,. Press the cap inward with brief, forceful p res­
sure
c> fig. 297 . The cap will loosen from the
bumper .
.,. Insert the towi ng loop all the way into the
threaded opening and tighten it with a wheel
wrench.
.,. After using, place the towing loop back in the
vehicle tool kit .
A WARNING
If the towing loop is not tightened until it
stops when installing, the threads may be
pulled out when towing the vehicle and that
could cause an accident.
-

Rear towing loop
Fig. 298 Rea r bumper: install ing the tow ing loop
The threaded opening for the towing loop is lo­
cated on the r ight rear of the bumper.
.. Remove the towing loop from the vehicle tool
kit¢ page 360.
.. Press the cap inward with brief, forcefu l pres­
sure ¢ fig. 298. The cap will loosen from the
bumper .
.,. Insert the towing loop all the way into the
threaded opening and tighten it w ith a wheel
wrench .
.. After using, place the towing loop back in the
vehicle tool kit.
A WARNING
If the towing loop is not tightened until it
stops when installing, the threads may be
pulled out when tow ing the vehicle and that
cou ld cause an accident .
Loading the vehicle onto a flat bed truck
Fig. 299 Vehicle on flat bed truck
Front hook up
-
.. Align the vehicle with the centerline of the car
carrier ramp.
Emergency situations
.. Attach the winch hook to the front towline eye
previously installed.
Rear hook up
.. Align the vehicle with the centerline of the car
carrier ramp .
.. Attach the w inch hook to the rear towline eye
previously installed.
(D Tips
Check carefully to make sure the hook-up is
secure before moving the car up the flatbed
truck ramp.
Raising the vehicle
Lifting with workshop hoist and with floor
jack
The vehicle may only be lifted at the lifting
points illustrated .
Fig. 300 Front lifting point
Fig. 301 Rear lif tin g po int
.. Read and heed WARNING ¢&, .
.. Locate lifting points¢ fig. 300 and ¢ fig. 301.
.,. Adjust lifting arms of workshop hoist or floor
jack to match vehicle lifting points .
.. Insert a rubber pad between the floor jack/
workshop hoist and the lifting points .
.,.
377

a co .... N ,....
N .... 0 0
3 co
Cell phone refertoTe le phone ...................
175
Center armrest . . . . . . . . . . . . . . . . . . . . . . . . 66
Central locking . . . . . . . . . . . . . . . . . . . . . . . . 3 7
Central locking switch . . . . . . . . . . . . . . . . .
41
Convenience key . . . . . . . . . . . . . . . . . . . . . . 40
Emergency locking . . . . . . . . . . . . . . . . . . . . 42
Power windows . . . . . . . . . . . . . . . . . . . . . . 49
Remote control key . . . . . . . . . . . . . . . . . . . 40
Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Certificat ion . . . . . . . . . . . . . . . . . . . . . . . . . 386
Changing engine oi l . . . . . . . . . . . . . . . . . . . 328
Changing the scale . . . . . . . . . . . . . . . . . . . . . 13
Charging the battery (mobile devices) . . . . 234
Child restraints
Danger of using child restraints in the front
seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
272
Where can I get additional information
about child restraints and their use? . . . .
314
Child restraint system anchors . . . . . . . . . . 309
Chi ld safety . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Important safety instructions for using chi ld
safety seats . . . . . . . . . . . . . . . . . . . . . . . .
299
Install ing a child restraint using the LATCH
system . . . . . . . . . . . . . . . . . . . . . . . . . . . .
311
Mounting and releasing the anchorage
hook . ... .. .. ................ ..... .
311
Tether anchors . . . . . . . . . . . . . . . . . . . . . . 312
Tether straps . .. ........... .. .. .. .. . 312
Child safety lock
Power windows . . . . . . . . . . . . . . . . . . . . . .
48
Rear doors . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Ch ild safety seats . . . . . . . . . . . . . . . . . . . . . 301
Booster seats . . . . . . . . . . . . . . . . . . . . . . . 305
Convertible child seats . . . . . . . . . . . . . . . 303
Danger of using child restraints in the front
seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
272
How do I prope rly install a child safety seat
in my vehicle? . . . . . . . . . . . . . . . . . . . . . . .
299
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . 301
LA TCH system . . . . . . . . . . . . . . . . . . . . . . 311
Safety instructions . . . . . . . . . . . . . . . . . . . 299
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Unused safety belts on the rear seat 301
Child seats
Lower anchorages . . . . . . . . . . . . . . . . . . .
310
C lassic view . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Index
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354
Cleaning Alcantara . . . . . . . . . . . . . . . . . . . . 357
Cleaning artificial leather. . . . . . . . . . . . . . . 357
Cleaning carbon parts . . . . . . . . . . . . . 356, 357
Cleaning decorative parts/trim . . . . . . . . . . 356
Cleaning decorative parts and trim . . . . . . . 356
Cleaning exhaust tail pipes . . . . . . . . . . . . . 356
Cleaning plastic parts . . . . . . . . . . . . . . . . . . 356
Cleaning textiles . . . . . . . . . . . . . . . . . . . . . . 357
Climate control system
refer to Automatic climate control . . . . . . . 76
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17, 248
Cockpit (overview) . . . . . . . . . . . . . . . . . . . . . . 8
Collapsible spare tire Inflating . . . . . . . . . . . . . . . . . . . . . . . . . . .
367
Collapsible ti re
refer to Collapsible spa re tire . . . . . . . . . . 367
Command (voice recognition system) . . . . . 168
Compact spare t ire . . . . . . . . . . . . . . . . . . . . 367
Compartments . . . . . . . . . . . . . . . . . . . . . . . . 69
Compass in the mirror . . . . . . . . . . . . . . . . . . 63
Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . 386
Connection manager . . . . . . . . . . . . . . . . . . 249
Connect ions
refer to Media .. ... ....... ... ... 227, 236
Con sumer Information . . . . . . . . . . . . . 261, 383
Consumption (fuel) . . . . . . . . . . . . . . . . . . . . 17
Contacting NHTSA . . . . . . . . . . . . . . . . . . . . 261
Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Addi tional directory . . . . . . . . . . . . . . . . . . 250
Importing/exporting . . . . . . . . . . . . . . . . . 185
Memory capacity . . . . . . . . . . . . . . . . . . . . 186
Stor ing as destination . . . . . . . . . . . . . . . . 212
Control buttons (operating the MMI) . . . . . 15 7
Control knob with joyst ick function (MMI op­
eration) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
160
Convenience key
Switching the ignition on . . . . . . . . . . . . . .
83
Unlocking/locking . . . . . . . . . . . . . . . . . . . . 40
Convenience opening/closing . . . . . . . . . . . . 49
Convertib le child safety seats . . . . . . . . . . . 303
Convertible locking retractor
Activating . . . . . . . . . . . . . . . . . . . . . . . . . .
308
Deactivating . . . . . . . . . . . . . . . . . . . . . . . . 309
Using to secure a ch ild safety seat . . . . . . 308
Cooled glove compartment . . . . . . . . . . . . . . 69
389

Index
Rearview camera
re fer to Parking systems . . . . . . . . . . 137, 138
Rear window defogger . . . . . . . . . . . . . . . . . . 78
Rear window sh ade . . . . . . . . . . . . . . . . . . . . .
60
Rear window washer system . . . . . . . . . . . . . 60
REAR (button) . . . . . . . . . . . . . . . . . . . . . . . . . 78
Recircu lation mode (automatic climate con-
t rol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Recuperation . . . . . . . . . . . . . . . . . . . . . . . . . 17
Refueling ....... ........... ........ .. 317
Fuel filler door emergency release 319
Remote control
refer to Remote control key . . . . . . . . . . . . 38
Remote control key . . . . . . . . . . . . . . . . . . . . 38
Remote control operation Garage door opener (Homelink) . . . . . . . . . 52
Remote locking and unlocking
Audi connec t vehicle control . . . . . . . . . . . 199
Removing the caps (wheel bolts) . . . . . . . . . 363
Repair manuals . . . . . . . . . . . . . . . . . . . . . . . 383
Repairs Airbag system . . . . . . . . . . . . . . . . . . . . . . 286
Replacement key . . . . . . . . . . . . . . . . . . . . . . 38
Replacing Light bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 373
Replacing wiper b lades . . . . . . . . . . . . . . 62, 63
Reporting Safety Defects . . . . . . . . . . . 261, 262
Reset
refer to Restart (MMI) . . . . . . . . . . . . . . . . 253
Reset button (trip odometer) . . . . . . . . . . . . 12
Resetting the trip odometer . . . . . . . . . . . . . 12
Residual heat (automatic climate control) . . 79
Resta rt (MMI) . . . . . . . . . . . . . . . . . . . . . . . . 253
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Reverse gea r . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Reversible cargo floor . . . . . . . . . . . . . . . . . . 7 4
Rewinding (audio/video file) . . . . . . . . . . . . 236
Right control button . . . . . . . . . . . . . . . . . . . . 14
Rims ..... .. .. .... ... ... ..... .. .. .. . 349
Clean ing . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Ringtone settings . . . . . . . . . . . . . . . . . . . . . 1 85
Roaming
refer to Data connection . . . . . . . . . . . . . . 1 95
Roof emergency operation . . . . . . . . . . . . . . . 50
396
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4
Roof load . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 4
also ref er to Roof rack . . . . . . . . . . . . . . . . . 7 4
Route criteria . . . . . . . . . . . . . . . . . . . . . . . . 213
Route guidan ce
refer to Navigation . . . . . . . . . . . . . . . . . . . 204
Running direc tion (tires)
s
Safe driving habits
Safety 366
254
Airbag system . . . . . . . . . . . . . . . . . . . . . . 271
Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Correct seating position . . . . . . . . . . . . . . 255
P edal area . . . . . . . . . . . . . . . . . . . . . . . . . . 259
T ele phone. . . . . . . . . . . . . . . . . . . . . . . . . . 175
Safety belt height adjustment . . . . . . . . . . . 268
Safety belt position . . . . . . . . . . . . . . . . . . . 267
Safety belt height adjustment . . . . . . . . . 268
Safety belts worn by pregnant women . . . 268
Safety belt pretensioner Serv ice and d isposal. . . . . . . . . . . . . . . . . . 270
Safety be lts . . . . . . . . . . . . . . . . . . . . . . 263, 266
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Danger to passengers who do not w ear a
saf ety b elt . . . . . . . . . . . . . . . . . . . . . . . . . 264
Fas tening . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Improperly worn . . . . . . . . . . . . . . . . . . . . 269
Not worn . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Safety belt position . . . . . . . . . . . . . . . . . . 267
Safety instructions . . . . . . . . . . . . . . . . . . . 265
Securing child safety seats . . . . . . . . . . . .
306
Special considerat ions for pregnant wom -
en .......... ..... .. ............... 268
Unfastening . . . . . . . . . . . . . . . . . . . . . . . . 268
Warning/indicator light . . . . . . . . . . . . . . 263
Worn p roperly . . . . . . . . . . . . . . . . . . . . . . 265
Safety belt warning light . . . . . . . . . . . . . . . 263
Safety instructions for side curtain airbags . . . . . . . . . . . . . . . 294
for using child safety seats . . . . . . . . . . . . 299
for using safety belts . . . . . . . . . . . . . . . . . 265
Monitoring the Advanced Airbag System 285
Saving fuel Energy consumers . . . . . . . . . . . . . . . . . . . . 18
Recuperation . . . . . . . . . . . . . . . . . . . . . . . . 17