2008 AUDI A4 headlights

Fuses and bulbs 310
– Press the connector in the direction of the arrow
⇒page 309, fig. 297 until the bulb engages.
– Check that the bulb is securely seated in the bulb
housing.
–Fit the cover.
– Install the headlight ⇒page 306.
– Check whether the new bulb is working.
– Have the headlight settings checked.Changing bulb for front fog lightsApplies to vehicles: with halogen main beam headlightsPreparations
The description for changing the bulb refers to the right fog
light; in principle the same procedure applies to the left fog
light.
– Switch off the ignition and the lights.
– Detach the trim cover ⇒fig. 298 (pull it carefully in the
direction of the arrow).
– Remove the two securing screws ⇒fig. 299 and pull the
fog light unit out of the bumper.
– Unplug the electrical connector.
CautionThe trim cover is secured to the bumper by several retaining hooks.
Do not use force when removing the trim cover to avoid damaging
it.
Fig. 298 Trim cover for
fog light
Fig. 299 Screws
securing fog light
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Fuses and bulbs311
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Applies to vehicles: with halogen main beam headlightsChanging bulb– Turn the bulb holder anti-clockwise ⇒page 306 and take
it out of the fog light housing.
– Insert the new bulb holder and turn it clockwise as far as
the stop ⇒page 306.After changing the bulb re-install all parts in the reverse sequence
and check that the bulb is working.
Changing bulbs for rear lights in side
panelOverview of rear lights•
Brake lights
•
Turn signals
The following instructions for changing the bulb refer to the left side
of the vehicle. Follow the same procedure for changing the bulb on
the other side of the vehicle.
Fig. 300 Front fog
light: Bulb holder is
highlighted
Fig. 301 Rear lights in
side panel
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Fuses and bulbs 312Applies to vehicles: with halogen main beam headlightsRemoving rear light
To change the bulbs, you must remove the rear light.
Removing the light requires a certain degree of practical
skill.– Check which of the bulbs is defective.
–Open the boot lid.
– Remove the side trim.
– Insert the screwdriver (from the tool kit) through the side
opening in the plastic screw ⇒fig. 302.– Turn the screwdriver anti-clockwise to loosen the screw
and then carefully remove the screw.
– Gradually ease the light housing out of the rubber
mountings (positions ⇒fig. 303 and ) by pulling
alternately in direction of arrows and . If necessary
use the tool for changing bulbs from your vehicle's
toolkit to carefully apply some pressure between posi-
tions and ⇒.
– Unplug the electrical connector.
– Change the defective bulb ⇒page 313.
Caution
When removing or installing the rear light, take care not to cause
any damage.•
Removing the rear light in particular can lead to the paintwork or
rear light becoming damaged. This is another reason why we
recommend having the bulbs changed by a qualified workshop.
•
NEVER use metal tools (e.g. a screwdriver) or sharp or pointed
plastic tools to lever out the rear light - risk of damaging the paint.Note
Make sure you have a soft cloth ready to place under the glass on
the rear light, to avoid any scratches.
Fig. 302 Luggage
compartment: Loca-
tion of retaining screw
for rear lightFig. 303 Removing
rear light from side
panel
A3
A4
A1
A2
A3
A4
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Fuses and bulbs313
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Changing bulbs
All bulbs can be changed easily after removing the rear
light.– Detach the bulb carrier.
– Renew the defective bulb (pull to remove from plug-in
holder or turn to remove from bayonet holder)
⇒page 305.
– Attach the bulb carrier.
– Re-install the rear light ⇒page 313.
Applies to vehicles: with halogen main beam headlightsInstalling rear light
The rear light is easy to re-install.To re-install the rear light, follow the steps for removal in
reverse sequence.
– Plug in the electrical connector. Make sure you hear it
click into place.
– Insert the rear light into the rear light carrier ⇒fig. 305.
– Press the rear light into the two rubber mountings as far
as it will go. The rear light must be flush with the body
contour.
– Use the screw to secure the rear light from the luggage
compartment.
– Make sure that all bulbs for the rear lights are working.
CautionTake care when installing the rear light to make sure there is no
damage to the paintwork or any of its components.
Fig. 304 Rear light,
mounting plate is high-
lighted
Fig. 305 Installing rear
light
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Fuses and bulbs315
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
Changing bulb / installing bulb carrier– Renew the defective bulb (pull to remove from plug-in
holder or turn to remove from bayonet holder)
⇒page 305.
– Insert the bulb carrier into the rear light. Make sure you
hear the retaining tab click into place.
– Fit the cover back in the interior trim so that it engages.
– Put the screwdriver back into the tool kit.
– Make sure that all bulbs for the rear lights are working.
Applies to vehicles: with halogen main beam headlightsNumber plate lightRemoving number plate light
– Take the screwdriver out of the vehicle tool kit
⇒page 283.
– Insert the flat-blade side of the reversible screwdriver
insert into the slot on the number plate light ⇒fig. 310.
– Using the screwdriver, start by pressing the number
plate light to the right -arrow 1- and then pull the number
plate light downwards from this position -arrow 2- and
out of the opening.
Fig. 309 Bulb carrier
Fig. 310 Boot lid:
Removing number
plate lightFig. 311 Number plate
light: Retaining
element
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Index331
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data Automatic air conditioner plus
SeeDeluxe automatic air conditioner plus
101
Automatic cruise control
Seeadaptive cruise control . . . . . . . . 128
Automatic gearbox
Dynamic gear control program . . . . . 166
Kick-down feature . . . . . . . . . . . . . . . . 165
Manual release (multitronic®) . . . . . . 168
multitronic® . . . . . . . . . . . . . . . . . . . . . 162
Paddle levers (tiptronic mode) . . . . . . 167
Safety interlock for ignition key . . . . . 116
Selector lever lock . . . . . . . . . . . . . . . . 165
Selector lever positions . . . . . . . . . . . 163
Steering wheel with paddle levers . . 167
tiptronic . . . . . . . . . . . . . . . . . . . . 162, 166
Automatic headlight control . . . . . . . . . . . 57
Automatic headlights . . . . . . . . . . . . . . . . . 59
Auxiliary heating
Deluxe automatic air conditioner plus . .
110
Description . . . . . . . . . . . . . . . . . . . . . . 110
Remote control . . . . . . . . . . . . . . . . . . 113
Running time . . . . . . . . . . . . . . . . . . . . 112
Switching on/off immediately . . . . . . 111
Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Average fuel consumption . . . . . . . . . . . . . 25
Average speed . . . . . . . . . . . . . . . . . . . . . . . 25
Axle weights
SeePerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 323
BBattery
Charging . . . . . . . . . . . . . . . . . . . . . . . . 265
Low charge . . . . . . . . . . . . . . . . . . . . . . 226
Power level . . . . . . . . . . . . . . . . . . . . . . 226
Power management . . . . . . . . . . . . . . 226
Replacing . . . . . . . . . . . . . . . . . . . . . . . 266
Winter conditions . . . . . . . . . . . . . . . . 263
Battery power . . . . . . . . . . . . . . . . . . . . . . . 38
Bayonet fastener
Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Bulb holder . . . . . . . . . . . . . . . . . . . . . . 306
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . 199
Bicycle rack
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Biodiesel . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Bioethanol fuel . . . . . . . . . . . . . . . . . . . . . 251
Blower
Deluxe automatic air conditioner . . . . . 96
Deluxe automatic air conditioner plus . .
104
Bonnet
Closing . . . . . . . . . . . . . . . . . . . . . . . . . 256
Opening . . . . . . . . . . . . . . . . . . . . . . . . 254
Releasing . . . . . . . . . . . . . . . . . . . . . . . 254
Boot
SeeLoading luggage compartment . 192
SeeLuggage compartment . . . . . . . . . . 79
Boot lid
Central locking system . . . . . . . . . . . . . 51
Manual release . . . . . . . . . . . . . . . . . . . . 52Brake system
Brake assist system . . . . . . . . . . . . . . . 222
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . 262
Brake light defective . . . . . . . . . . . . . . . 37
Brake pads worn . . . . . . . . . . . . . . . . . . 37
Brake servo . . . . . . . . . . . . . . . . . . . . . . 224
Electro-mechanical parking brake . . . 121
General notes . . . . . . . . . . . . . . . . . . . . 224
Malfunction . . . . . . . . . . . . . . . . . . . . . . 32
Warning lamp . . . . . . . . . . . . . . . . . . . . . 20
braking guard
SeeAudi braking guard . . . . . . . . . . . . 142
Bulb holder
Bayonet fastener . . . . . . . . . . . . . . . . . 306
Bulb monitor . . . . . . . . . . . . . . . . . . . . . . . . 37
Bulbs
Bayonet fastener . . . . . . . . . . . . . . . . . 305
Changing (general notes) . . . . . . . . . . 304
Bulbs, changing . . . . . . . . . . . . . . . . . . . . . 304
Brake lights . . . . . . . . . . . . . . . . . . . . . . 311
Bulb holder with bayonet fastener . 305,
306
Dipped headlights . . . . . . . . . . . . . . . . 308
Front fog lights . . . . . . . . . . . . . . . . . . . 310
Main beam headlights . . . . . . . . . . . . . 307
Number plate light . . . . . . . . . . . . . . . . 315
Rear fog light . . . . . . . . . . . . . . . . . . . . 314
Rear lights . . . . . . . . . . . . . . . . . . . . . . . 311
Reversing light . . . . . . . . . . . . . . . . . . . 314
Turn signals (rear) . . . . . . . . . . . . . . . . 311
Business equipment . . . . . . . . . . . . . . . . . 278
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Index333
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data Supplementary heater . . . . . . . . . . . . 101
Switching on and off . . . . . . . . . . . . . . . 95
Temperature . . . . . . . . . . . . . . . . . . . . . . 96
Deluxe automatic air conditioner plus . . 101
AC mode . . . . . . . . . . . . . . . . . . . . . . . . 107
Air distribution . . . . . . . . . . . . . . . . . . . 106
Air outlets . . . . . . . . . . . . . . . . . . . . . . . 107
Air outlets for rear passengers . . . . . 108
Air recirculation mode . . . . . . . . . . . . 105
Automatic mode . . . . . . . . . . . . . . . . . 103
Automatic recirculation . . . . . . . . . . . 109
Auxiliary heating . . . . . . . . . . . . . . . . . 110
Auxiliary heating - remote control . . . 113
Auxiliary heating - running time . . . . 112
Basic settings . . . . . . . . . . . . . . . . . . . . 109
Blower . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Controls . . . . . . . . . . . . . . . . . . . . . . . . 102
Defrosting . . . . . . . . . . . . . . . . . . . . . . . 106
Description . . . . . . . . . . . . . . . . . . . . . . 101
Economical operation . . . . . . . . . . . . . 108
Heated rear window . . . . . . . . . . . . . . 106
Supplementary heater . . . . . . . . . . . . 110
Switching on and off . . . . . . . . . . . . . . 103
Synchronisation . . . . . . . . . . . . . . . . . . 109
Temperature . . . . . . . . . . . . . . . . . . . . . 104
Diesel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Diesel particulate filter . . . . . . . . . . . . 38, 229
Engine oil . . . . . . . . . . . . . . . . . . . . . . . 257
Digital clock . . . . . . . . . . . . . . . . . . . . . . . . . 13
Digital compass . . . . . . . . . . . . . . . . . . . . . . 71
Digital speedometer . . . . . . . . . . . . . . . . . . 23
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 320Dipped headlights . . . . . . . . . . . . . . . . . . . . 57
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 37
DIS
SeeDriver information system . . . . . . . 21
Distance control system
Seeadaptive cruise control . . . . . . . . 128
Door catches/boot lid warning . . . . . . . . . 24
Doors
Child-proof catches . . . . . . . . . . . . . . . . 53
Manual locking . . . . . . . . . . . . . . . . . . . . 51
Driver
SeeSitting position . . . . . . . . . . . . . . . 188
Driver information system . . . . . . . . . . . . . 21
Auto-check control . . . . . . . . . . . . . . . . 30
Bulb monitor . . . . . . . . . . . . . . . . . . . . . 37
CD and radio display . . . . . . . . . . . . . . . 22
Digital speedometer . . . . . . . . . . . . . . . 23
Door catches/boot lid warning . . . . . . . 24
Driver messages . . . . . . . . . . . . . . . . . . 30
On-board computer . . . . . . . . . . . . . . . . 25
Outside temperature display . . . . . . . . 22
Red symbols . . . . . . . . . . . . . . . . . . . . . . 31
Service interval display . . . . . . . . . . . . . 24
Speed warning . . . . . . . . . . . . . . . . . . . . 28
Yellow symbols . . . . . . . . . . . . . . . . . . . 35
Driver messages . . . . . . . . . . . . . . . . . . . . . 30
Driving
Run flat tyres . . . . . . . . . . . . . . . . . . . . 275
Driving abroad
Headlights . . . . . . . . . . . . . . . . . . . . . . . 59
Unleaded fuel . . . . . . . . . . . . . . . . . . . . 251
Driving away from a standstill . . . . . . . . . 122
Driving away when towing a trailer . . . . 123Driving on left . . . . . . . . . . . . . . . . . . . . . . . 59
Driving on right . . . . . . . . . . . . . . . . . . . . . . 59
Driving safety . . . . . . . . . . . . . . . . . . . . . . . 187
Driving time . . . . . . . . . . . . . . . . . . . . . . . . . 25
Dust filter
Deluxe automatic air conditioner . . . . . 93
Deluxe automatic air conditioner plus . .
101
DVD player . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Dynamic gear control program . . . . . . . . 166
Dynamic steering . . . . . . . . . 16, 36, 159, 222
EEconomical driving . . . . . . . . . . . . . . . . . . 229
EDL
SeeElectronic differential lock . . . . . . . 19
Electric seat adjustment
SeeSeat adjustment . . . . . . . . . . . . . . . 74
Electric windows . . . . . . . . . . . . . . . . . . . . . 53
Central locking system . . . . . . . . . . . . . 54
Convenience open/close function . . . . 54
Malfunctions . . . . . . . . . . . . . . . . . . . . . . 55
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Electrical accessories
SeeElectrical socket . . . . . . . . . . . . . . . 88
Electrical socket . . . . . . . . . . . . . . . . . . . 87, 88
Electro-mechanical parking brake . . . . . . 124
Auto release function . . . . . . . . . . . . . 122
Driving away from a standstill . . . . . . 122
Driving away when towing a trailer . . 123
Emergency braking function . . . . . . . 123
Malfunction . . . . . . . . . . . . . . . . . . . . . 123
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Index335
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data Hazard warning lights . . . . . . . . . . . . . . . . 61
Indicator lamp . . . . . . . . . . . . . . . . . . . . 18
Head restraints
Front seats . . . . . . . . . . . . . . . . . . . . . . . 77
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . 78
Headlamp converter . . . . . . . . . . . . . . . . . . 59
Headlight flasher . . . . . . . . . . . . . . . . . . . . . 62
Headlight range control . . . . . . . . . . . . . . . 60
Malfunction . . . . . . . . . . . . . . . . . . . . . . 39
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . 57
adaptive light . . . . . . . . . . . . . . . . . . . . . 61
Changing dip settings . . . . . . . . . . . . . . 59
Driving abroad . . . . . . . . . . . . . . . . . . . . 59
Headlight range control . . . . . . . . . . . . 60
Washer system . . . . . . . . . . . . . . . . . . . . 67
Heated
Exterior mirrors . . . . . . . . . . . . . . . . . . . 70
Front seats (deluxe automatic air
conditioner) . . . . . . . . . . . . . . . . . . . . 114
Rear seats . . . . . . . . . . . . . . . . . . . . . . . 115
Rear window . . . . . . . . . . . . . . . . . 98, 106
Washer jets . . . . . . . . . . . . . . . . . . . . . . . 65
Heated rear window . . . . . . . . . . . . . . 98, 106
Heating
Deluxe automatic air conditioner . . . . 93
Deluxe automatic air conditioner plus . .
101
HomeLink . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
IIgnition key
Emergency release . . . . . . . . . . . . . . . . 46
Safety interlock . . . . . . . . . . . . . . . . . . 116
Ignition lock . . . . . . . . . . . . . . . . . . . . . . . . 116
Malfunction . . . . . . . . . . . . . . . . . . . 34, 39
Immobiliser . . . . . . . . . . . . . . . . . . . . . . 14, 43
Indicator lamps . . . . . . . . . . . . . . . . . . . . . . 15
adaptive cruise control . . . . . . . . . . . . 134
Cruise control system . . . . . . . . . . . . . . 19
Glow plug system . . . . . . . . . . . . . . . . . 16
Main beam headlights . . . . . . . . . . . . . 18
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 15
Trailer turn signals . . . . . . . . . . . . . . . . 18
Turn signals . . . . . . . . . . . . . . . . . . . . . . 18
Inflation pressures (tyres) . . . . . . . . . 39, 268
Inspection intervals . . . . . . . . . . . . . . . . . . . 24
Instrument cluster . . . . . . . . . . . . . . . . . . . . 11
Instrument lighting . . . . . . . . . . . . . . . . . . . 59
Interior lights
Dimming . . . . . . . . . . . . . . . . . . . . . . . . . 63
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Interior mirrors
SeeMirrors . . . . . . . . . . . . . . . . . . . . 68, 69
Interior monitor . . . . . . . . . . . . . . . . . . . . . . 50
Intermittent wipe . . . . . . . . . . . . . . . . . . . . . 65
Rain sensor . . . . . . . . . . . . . . . . . . . . . . . 65
ISOFIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
JJack . . . . . . . . . . . . . . . . . . . . . . . . . . . 283, 290
Jacking points . . . . . . . . . . . . . . . . . . . . . . 290
Jump-starting . . . . . . . . . . . . . . . . . . . . . . 293KKey-operated switch for front passenger's
airbag . . . . . . . . . . . . . . . . . . . . . . . . . 208
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Emergency key . . . . . . . . . . . . . . . . . . . . 45
Replacement keys . . . . . . . . . . . . . . . . . 43
Replacing the battery . . . . . . . . . . . . . . 45
Kick-down feature . . . . . . . . . . . . . . . . . . . 165Llane assist
Changing settings on the MMI . . . . . . 147
Description . . . . . . . . . . . . . . . . . . . . . . 145
Indicator lamp in instrument cluster . 145
Instrument cluster display . . . . . . . . . 146
Switching on and off . . . . . . . . . . . . . . 145
Leather care
Alcantara . . . . . . . . . . . . . . . . . . . . . . . . 250
Natural leather . . . . . . . . . . . . . . . . . . . 249
leaving home . . . . . . . . . . . . . . . . . . . . . . . . 59
Light sensor . . . . . . . . . . . . . . . . . . . . . . . . . 57
Light sensor defective . . . . . . . . . . . . . . . . . 37
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
coming home . . . . . . . . . . . . . . . . . . . . . 59
Daytime running lights . . . . . . . . . . . . . 59
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