2018 AUDI A4 lumbar support

Seats and storage
General information
A WARNING
See¢ page 254, Driving safety for important
information, tips, suggestions and warnings
that you sho uld read and follow for your own
safety and the safety of yo ur passengers.
Front seats
Power seat adjustment
Fig. 63 Front seat: adjusting the seat (ve rsion A)
F ig . 6 4 Front seat: adjusting the seat (ve rs ion B)
@-Moving the seat fo rward/back: press the but­
ton forward/back.
@ -Moving the seat up/down: press the button
up/down. To adjust the front seat cus hion, press
the front bu tton up/down. To adjust the rear sea t
cushion, press the rear b utton up/down.
@ -Adjusting the backrest angle: press the but­
ton forward/back.
~ © -Lengthen ing/shortening the upper thigh
~ ~ support* ¢ fig. 63. Lift the g rip hand le . A spring
~ moves the support forward. 0 0
~ co
Seats and storag e
©-Switching the massage function* on/off
¢ fig. 64. Select the type of massage with the
multifunction
button*¢ page 65.
@ -lumbar support or mu ltifunction button*
¢
page 65. To adjust the lumbar support, press
the button in the applicab le location.
A WARNING
-
-The power front seats can a lso be adjusted
when the ignition is switched off. To reduce the risk of injury, children should never be
left unattended in the vehicle for this rea­
son .
-To reduce the r isk of an accident, only adjust
the dr iver's seat when the vehicle is station­
ary.
-Exercise caution when adjust ing the seat
he ight. Unsupervised or careless seat ad­
justment can pinch finge rs or hands, which
increases the risk of injury.
-The front seat backrests must not be re­
clined too far back when driving, because
this impa irs t he effect iveness of the safety
be lts and airbag system, which increases
the risk of injury.
Multifunction button
Applies to: vehicles wit h mult ifunct ion butto n
You can adjust the massage function, lumbar
support and side bolsters using the multifunc­ tion button.
F ig. 65 Infotain ment system: seat sett ings
Operating
"' If you turn the multifunction button (D
¢ page 65, fig. 64 to the left or to the r ight,
65

Sea ts and stor age
the possible seat settings @ are shown in the
Infotainment system
r::!;> fig . 65.
• To select a seat setting, turn the multifunction
button
(I) in the corresponding direction until
the desired seat setting is outlined in red.
• The arrows @ represent the possible adjust­
ments. Fo r example, to lower the lumbar sup­
port, press the multifunction button
(I) down.
The co rresponding ar row © lights up.
The follow ing seat sett ings @ are possible:
Massage function * -select the massage type
Wave, St ret ch , Knead or Off . You can adjust the
intens ity of each massage from 1 to 3. You ca n
sw itch the selected massage on/off using the
button @
r::!;> fig. 65.
Lumbar support -you can adjust the lumbar sup­
port up/down and to be stronger/weaker.
Side bolsters* -you can increase/decrease the
side support in the seat using the side bolsters
on the seat backrest.
@ Tips
- The massage function switches off a uto­
matically after approx imately 10 minutes.
- The air in the side bo lsters* is released as
soon as the driver's door opens. T his makes
i s possible to enter and exit the vehicle
more comfortably. As soon as you start driv­
i ng the veh icle, the side bo lsters fill.
Center armrest
There is a storage comportment under the arm­
rest.
F ig . 66 Comfort center armrest between the driver's seat
and front passenger's seat
66
• To adjust the ang le, raise the armrest from the
starting position notch by notch.
• To bring the armrest back into the sta rt ing po­
sition, raise it out of the top notch and fold it
back down.
The armrest can slide forward and back .
Head restraints
Front head restraints
Applies to: vehicles with adjustable head restraints
Fig. 67 Fro nt seat: adjust ing the head restraint
Adjust the head restraints so the upper edge is as
even as possible w ith the top of your head . If that
i s not possib le, try to adjust as close to this pos i­
tion as possib le .
Adjusting the head restraints
• To move the head restra int upward/forward,
hold it at the sides w ith both hands and sl ide it
upward/forward until yo u feel it click into
place.
• To move the head restra int downward/back­
ward, press the s ide button and slide t he head
restraint downward/backward . Release the but­
ton and slide the head restraint farther unti l it
clicks into place.
&_ WARNING
Always read and follow the applicable warn­ i n gs
r::!;> page 257, Proper adjustment of head
restraints.
-

a co .... N ,....
N .... 0 0
3 co
Fuse panel @ (brown)
No . Equipment
2
Mass airflow sensor, camshaft adjust-
ment, charge air cooler pump
3 Exhaust doors, fuel injectors, radiator inlet
4 Vacuum pump, hot water pump, particu-
late sensor, biodiesel sensor
5 Brake light sensor
6 Engine va lves, camshaft adjustment
7
Heated oxygen sensor, mass airflow sen-
sor
8
Water pump, high pressure pump, high
pressure regulator va lve
9 Hot water pump
10
Oil pressure sensor, oil temperature sen-
sor
11 Clutch pedal position sensor
12 Engine valves
13 Radiator fan
14 Fuel injectors
15 Ignition coils
16 Fuel pump
Fuse panel @ (red)
No . Equipment
1 Anti-theft alarm system
2 Eng ine control module
3 Lumbar support
Automatic transmission selector mecha -
4
nism
5 Horn
6 Electromechanical park ing brake
7 Gateway control module
8 Interior headliner lights
10 Airbag control module
11 Electronic Stabilization Control (ESC)
12 Diagnostic connector, light/rain sensor
13 Climate control system
14 Right front door control module
15 A/C compressor
Fuses and bulbs
Fuse panel © (black)
No . Equipment
1 Front seat heating
2 Windshield wipers
3 Left head light electronics
4
Panorama glass roof I sliding/t ilting sun-
roof
5 L eft front door control module
6 Sockets
7 Right rear door control module
8 All wheel drive
9 Right headlight electronics
10
Windshield washer system/headlight
washer system
11 Left rear door control module
Fuse panel @ (black)
No. Equipment
Seat ventilation, rearv iew mirror, climate
1 control system, rear climate control sys-
tern controls, windshield defogger
2 Gateway, climate control system
3 Sound actuator/exhaust sound tuning
4 Clutch pedal posit ion sensor
5 Engine start
7 Rear USB charg ing port
8 Homelink
9 Adaptive cruise contro l
11 Video camera
12 Matrix LED headlight/right LED headlight
13 Matrix LED headlight/left LED headlight
14 Rear window wipe r
Fuse panel © (red)
No . Equipment
1 Ignition coils
5 En gine mount
6 Automat ic transmission
7 Instrument panel
8 Climate control system (blower)
10 Dynamic steering
11 Engine start
371

Fuses and bulbs
Fuse assignment - Driver's side of the
cockpit
Fig. 293 Driver sid e coc kp it : fuse pa nel w ith plastic bracket
Fuse panel
No. Equipment
2 Telephone
4 Head-up display
5 Audi mus ic interface, USB charging port
6 Front climate control system contro ls
7 Steering column lock
8 I nfotainment system display
9 Instrument cluster
10 Infotainment unit
11 Light switch
12 Steering column electronics
14 Infotainment system
16 Steering wheel heating
372
Fuse assignment - Left side of the luggage
compartment
Fig. 294 Left side of t he luggage compartme nt: fuse pane l
w ith plastic cl ip
Fuse panel @ (black)
No. Equipment
2 Windshield defroster
3 Windshield defroster
5 Suspension control
6 Automat ic transmission
7 Rear window defogger
8 Rear seat heating
9 Tail lights
10 Left safety belt tensioner
11 Central locking system
12 Electric luggage compartment lid
Fuse panel® (red)
No. Equipment
Not assigned
Fuse panel © (brown)
No. Equipment
2 Telephone
3 Lumbar support

K
Key....... .. .. ................ ..... .. 38
Key not recognized . . . . . . . . . . . . . . . . . . .
85
Key replacement . . . . . . . . . . . . . . . . . . . . . 38
Mechanical key . . . . . . . . . . . . . . . . . . . .
38, 39
Replacing the battery . . . . . . . . . . . . . . . . . 39
Unlocking/locking . . . . . . . . . . . . . . . . . 40, 42
Vehicle code . . . . . . . . . . . . . . . . . . . . . . . . . 38
Kick-down (automatic transmission) . . . . . . .
95
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . . 287
Description . . . . . . . . . . . . . . . . . . . . . . . . . 287
How they work . . . . . . . . . . . . . . . . . . . . . . 288
Important safety instruct ions . . . . . . . . . . 289
L
Lane assist
refer to Audi active lane assist . . . . . . . . . 125
Lap timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Evaluating . . . . . . . . . . . . . . . . . . . . . . . . . 106
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
LATCH · · · · · . .... ............. .. .. .. . 309
Descr iption . . . . . . . . . . . . . . . . . . . . . . . . . 310
Install ing a child restraint ............ . 311
Location
· · . .. ..... ....... ... .. .. .. . 310
Mounting and releasing the anchorage
hook
. . .. .. .... ............. .. .. .. . 311
Launch control program . . . . . . . . . . . . . . . . . 95
Leather care/cleaning . . . . . . . . . . . . . . . . . 357
Left contro l button ............. .. .. .. .. 14
License agreement (MMI) . . . . . . . . . . . . . .
253
Lifting points (vehicle jack) ....... ..... . 364
Light/rain sensor
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . .
54
Interval mode (w ipers) . . . . . . . . . . . . . . . . 60
Light functions . . . . . . . . . . . . . . . . . . . . . . . . 54
High beam assistant
55
Instrument illum ination . . . . . . . . . . . . . . . 58
Interior lighting . . . . . . . . . . . . . . . . . . . . . . 57
Lighting
Exterior
· · · · · · · · · · · · · · · · · · · · · · . .. .. .. 54
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 7
Lights
~ Headlight range control system . . . . . . . . . 54
;::; Listening to mus ic ,....
8 refer to Media .. ............. .. . 227 , 236
3 Loading the luggage compartment . . . . . . . 259
Index
Locking/unlocking
By remote control . . . . . . . . . . . . . . . . . . . . 40
With the centra l locking switch . . . . . . . . .
41
With the convenience key . . . . . . . . . . . . . . 40
With the lock cylinder . . . . . . . . . . . . . . . . .
42
Low beam headlights . . . . . . . . . . . . . . . . . . . 54
Luggage compartment . . . . . . . . . . . . . . . . . . 70
Cover..... .. .. .. .. ............. .. .. . 70
Pass-through . . . . . . . . . . . . . . . . . . . . . . . . 73
Socket.. .. .. .. . ............ .... .. .. . 68
Storing cargo correctly . . . . . . . . . . . . . . . 259
Tie-downs . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Val et parking function . . . . . . . . . . . . . . . . . 51
also refer to Loading the luggage compart-
ment ..... .. .. .. ................. ..
259
Luggage compartment lid . . . . . . . . . . . . . . . 43
Emergency release . . . . . . . . . . . . . . . . . . . . 47
Lumbar support . . . . . . . . . . . . . . . . . . . . . . . 65
M
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 383
Maintenanc e intervals . . . . . . . . . . . . . . . . . 333
Making an emergency call . . . . . . . . . . . . . . 180
Malfunc tion indicator lamp (MIL) . . . . . . . . . 24
Map
Display
219
Operating . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Update . .. .. .. .. ............... .. ..
204
Mapupdate ... .. .. .................. . 217
Mechanical key . . . . . . . . . . . . . . . . . . . . . 38, 39
Media ... .. .. .. .. ............... 227, 236
Drives · · · · .. .. .. .. ....... ........ .. 228
Supported formats . . . . . . . . . . . . . . . . . . 242
Media center .. .. .. .. ............... .. 237
Memory buttons
refer to Shortcut keys . . . . . . . . . . . . 155, 162
Memory capa city
D. ,rectory . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Jukebox . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Memory card SD card reader (MMI) . . . . . . . . . . . . . . . . .
228
Supported types/formats . . . . . . . . . . . . . 242
Memory function . . . . . . . . . . . . . . . . . . . . . . 67
MENU button
· · · · · · · · · · · · ·........ ... 155
393