2017 AUDI A4 battery replacement

Removing the mechanical key
Fig. 26 R emote control maste r key: removing the mechani·
ca l key
• Press the release buttons @¢ fig. 26 and re­
move the mechanical key from the remote con­
trol key.
Using the mechan ica l key, you can:
- Lock/un lock the glove compartment.
- Locking and unlocking the lockable* rear bench
seat ¢
page 65.
-Manually lock/unlock the vehicle ¢page 42.
-Emergency lock the doors ~ page 42.
-Switching the chi ld safety locks on in the rear
doors ¢
page 45, fig. 39.
LED and battery in the remote control key
Fig. 27 Remote control key: removing the battery ho lder
Open ing and closing
Fig. 28 Remote control key (rear side): removing the bat·
tery holder
LED in the remote control key
" 0
0
0
i
~
The LED @ informs you of the remote control key
function.
• If you press a button briefly, the LED blinks
once.
• If you press and hold a button (convenience
opening/closing), the LED blinks several times .
• If the LED does not blink, the remote contro l
key battery is dead. The
1:1 indicator light turns
on and the message
Remote control key: re­
place key battery
appears. Replace the battery .
Replacing the remote control key battery
• Press the re lease buttons @¢ fig. 2 7 and re­
move the mechanical key .
• Press the release buttons©¢
fig. 28 on the
battery holder while pulling the battery holder
out of the remote control key in the direct ion of
the arrow .
"'I nsert th e new batte ry with the"+" fac ing
down.
"' Slide the battery holder carefully into the re­
mote contro l key.
• Insert the mechanical key.
@ For the sake of the environment
Discharged batteries must be disposed of us­
ing methods that will not harm the environ­
ment. Do not d ispose of them in household
trash.
(D Tips
The replacement battery must meet the same
specifications as the original battery.
39

<( a, .... N ,....
N .... 0 0
3 a,
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Heavy clothing and safety belts . . . . . . . . . . 247
High beam headlights Assistant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
High beams . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Hill descent control . . . . . . . . . . . . . . . . . . . . 85
Hill hold ass ist . . . . . . . . . . . . . . . . . . . . . . . . 83
H ome address . . . . . . . . . . . . . . . . . . . . 189, 194
Homelink (garage door opener) . . . . . . . . . . 48
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
H ow are child restraint system anchors re lat-
ed to chi ld safety . . . . . . . . . . . . . . . . . . . . . 291
How many airbags does my vehicle have? . . 260
How safety belt pretensioners work 251
I
Ignition
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 32
Switching on and
off . . . . . . . . . . . . . . . . . . 76
Imbalance (wheels) . . . . . . . . . . . . . . . . . . . 325
Immobili zer . . . . . . . . . . . . . . . . . . . . . . . . . . 38
I mportant things to do before driving . . . . 236
Importing/exporting (contacts) . . . . . . . . . 169
Improperly worn safety belts . . . . . . . . . . . 251
I ndicator lights . . . . . . . . . . . . . . . . . . . . . . . . 26
Airbag system . . . . . . . . . . . . . . . . . . . . . . 265
PASSENGER AIR BAG . . . . . . . . . . . . . . . . . 265
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . . 283
Inflation pressure (tires) . . . . . . . . . . . . . . . 327
I nput
Using MMI touch . . . . . . . . . . . . . . . . . . . . 144
using the speller . . . . . . . . . . . . . . . . . . . . 148
Input level (media) . . . . . . . . . . . . . . . . . . . . 220
Inspection interval ........... .. .. .. .. . 316
I nstall ing the upper tether strap on the an­
chorage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Instrument cluster . . . . . . . . . . . . . . . . . . . . . 10
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Indicator lights . . . . . . . . . . . . . . . . . . . . . . 26
Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Adjusting illumination . . . . . . . . . . . . . . . . . 54
Index
Interior lighting . . . . . . . . . . . . . . . . . . . . . . . 54
.......... ... .. .. ................. . 54
Front...... ... .. .. ................. . 53
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Intermittent mode (windsh ield wipers) 56
Internet
refer to Audi connect (Infotainment) . . . . 172
Internet radio . . . . . . . . . . . . . . . . . . . . . . . . 214
iPod
refer to Audi music interface.......... . 215
iTunes tagging . . . . . . . . . . . . . . . . . . . . . . . 204
J
Jukebox 211
Jump-starting . . . . . . . . . . . . . . . . . . . . . . . . 356
Jump start cable . . . . . . . . . . . . . . . . . . . . . . 357
K
Key......... ... .. .. ... ........... ... . 38
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 77
Key not recognized . . . . . . . . . . . . . . . . . . . 78
Key replacement . . . . . . . . . . . . . . . . . . . . . 38
Mechanical key . . . . . . . . . . . . . . . . . . . . 38 , 39
Replacing the battery . . . . . . . . . . . . . . . . . 39
Unlocking/locking . . . . . . . . . . . . . . . . . 40, 42
V ehicle code . . . . . . . . . . . . . . . . . . . . . . . . . 38
Kick-down (automatic transm ission) . . . . . . . 87
Knee airbags . . . . . . . . . . . . . . . . . . . . . . . . . 269
Description . . . . . . . . . . . . . . . . . . . . . . . . . 269
How they work . . . . . . . . . . . . . . . . . . . . . . 270
Important safety instructions . . . . . . . . . . 271
L
Lane assist
refer to Active lane ass ist . . . . . . . . . . . . . 112
LATCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Description . . . . . . . . . . . . . . . . . . . . . . . . . 292
Installing a child restraint . . . . . . . . . . . . . 293
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Mounting and releasing the anchorage
hook .... ... .. .. .. ...... ....... .. .. 293
Launch control program . . . . . . . . . . . . . . . . . 87
Leather care/cleaning . . . . . . . . . . . . . . . . . 340
Left control button . . . . . . . . . . . . . . . . . . . . . 13
License agreement (MMI) . . . . . . . . . . . . . . 235
373

<( a, .... N ,....
N .... 0 0
3 a,
Rear lid
Escape latch . . . . . . . . . . . . . . . . . . . . . . . . 343
also refer to Luggage compartment lid . . . 43
Rear Seat Entertainment preparation
refer to Audi Entertainment mobile
Rear seats 217
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Rearview camera
refer to Parking systems . . . . . . . . . . 125, 126
Rear window defogger . . . . . . . . . . . . . . . . . . 70
Reception area . . . . . . . . . . . . . . . . . . . . . . . 204
Recirculation mode (climate control system) 70
Recuperation . . . . . . . . . . . . . . . . . . . . . . . . . 16
Refueling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
Fuel filler door emergency release . . . . . . 300
Fuel tank capacity . . . . . . . . . . . . . . . . . . . 362
Opening the fuel filler door . . . . . . . . . . . . 298
Remote control Garage door opener (Homelink) . . . . . . . . . 48
also refer to Remote control key . . . . . . . . 38
Remote control key . . . . . . . . . . . . . . . . . . . . 38
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Personali zation . . . . . . . . . . . . . . . . . . . . . . 38
Replacing the battery . . . . . . . . . . . . . . . . .
39
Unlocking/locking . . . . . . . . . . . . . . . . . . . . 40
Remote locking/unlocking
Audi connect Vehicle control . . . . . . . . . . . 182
Removing the caps (wheel bolts) . . . . . . . . . 346
Repair manuals . . . . . . . . . . . . . . . . . . . . . . . 363
Repairs Airbag system . . . . . . . . . . . . . . . . . . . . . . 268
Replacement key . . . . . . . . . . . . . . . . . . . . . . 38
Replacing Light bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 355
Reporting Safety Defects . . . . . . . . . . . 243, 244
Reset
refer to Restart (MMI) . . . . . . . . . . . . . . . . 234
Reset button (trip odometer) . . . . . . . . . . . . 12
Resetting the trip odometer . . . . . . . . . . . . . 12
Res idual heat (climate control system) . . . . . 71
Restart
(MMI) . . . . . . . . . . . . . . . . . . . . . . . . 234
Retractor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Reverse gear . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Rewinding (audio/video file) . . . . . . . . . . . . 217
Right control button. . . . . . . . . . . . . . . . . . . . 13
Index
Rims . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Ringtone settings . . . . . . . . . . . . . . . . . . . . . 170
Road noise compensation . . . . . . . . . . . . . . 233
Roaming
refer to Data connection . . . . . . . . . . . . . . 178
Roof Emergency closing . . . . . . . . . . . . . . . . . . . . 47
Roof rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Roof load . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Route criteria . . . . . . . . . . . . . . . . . . . . . . . . 196
Route guidance
refer to Navigation . . . . . . . . . . . . . . . . . . . 187
Running direction (tires) . . . . . . . . . . . . . . . 348
s
Safe driving habits
Safety 236
Airbag system . . . . . . . . . . . . . . . . . . . . . . 253
Be lts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Cargo .... .. .. .. .. ............... .. 242
Correct seating position . . . . . . . . . . . . . . 23 7
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Safety be lt height adjustment . . . . . . . . . . . 250
Safety belt position . . . . . . . . . . . . . . . . . . . 249
Safety belt height adjustment . . . . . . . . . 250
Safety belts worn by pregnant women . . . 250
Safety belt pretensioner Service and disposal . . . . . . . . . . . . . . . . . . 252
Safety belts . . . . . . . . . . . . . . . . . . . . . . 245, 248
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Danger to passengers who do not wear a
safety belt . . . . . . . . . . . . . . . . . . . . . . . . . 246
Fastening . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Improperly worn . . . . . . . . . . . . . . . . . . . . 251
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 31
Not worn . . . . . . . . . . . . . . . . . . . . . . . . . . 246
Safety belt pos it ion . . . . . . . . . . . . . . . . . . 249
Safety instructions . . . . . . . . . . . . . . . . . . . 247
Securing child safety seats . . . . . . . . . . . . 288
Special considerations for pregnant wom- en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Unfastening . . . . . . . . . . . . . . . . . . . . . . . . 250
Warning/indicator light . . . . . . . . . . . . . . 245
Worn properly . . . . . . . . . . . . . . . . . . . . . . 247
Safety belt warning light . . . . . . . . . . . . . . . 245
377