ignition AUDI TT ROADSTER 2018 Repair Manual

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scope of maintenance and repairs which can be
carried out by vehicle owners.
Al so, sa fety a nd
en vir onment al
concerns place very strict limits
on the nature of repairs and adjustments to en­
g ine and transm ission parts wh ich an owner can
perform .
Maintenance, adjustments and repairs usually re­
qu ire special tools, test ing devices and other
equ ipment available to specially trained work­
shop personnel in order to assure proper per ­
formance, rel iability and safety of the veh icle and
its many systems .
Improper maintenance, adjustments and repairs
can impair the operation and reliability of your
veh icle and even void your vehicle warranty .
Therefore, proof of servicing in accordance with
the ma intenance sc hedule may be a condition for
upho ld ing a possib le wa rranty claim made within
the warranty period.
Above all, operational safety can be adversely af­
fected, creating unnecessa ry risks fo r you and
your passenger.
If i n doubt about any servicing, have it done by
your author ized Audi dealer or any other properly
equ ipped and qua lified workshop. We strongly
urge yo u to g ive your author ized Audi dealer the
opportunity to perform a ll scheduled ma inte­
nance and necessary repairs. Your dealer has the
facilities, origina l parts and trained specialists to
keep your vehicle running properly .
Performing limited m aint ena nc e y our self
The follow ing pages describe a lim ited number of
p rocedures w hich can be per formed on your ve hi­
cle with ordinary tools, should the need arise and
trained personnel be unavai lable . Before per­
forming any of these procedures, always thor­
ough ly read a ll of the app licab le text and carefu l­
ly follow the instructions g iven . Always rigorously
observe the
W ARNING S provided .
Before you ch eck anything in the engine com ­
partment , always read a nd heed all WARNIN GS
c> & and c> & in Working in the engine compart­
ment on page 233 . Con
sum er In form ation
A WARNING
--
- Ser ious personal injury may occur as a result
of improperly performed maintenance, ad­
justments or repairs .
- Always be extremely careful when work ing
on the vehicle . Always follow commonly ac­
cepted safety practices and general com­ mon sense. Never risk pe rsonal inj ury.
- Do not attempt any of the maintenance,
checks or repairs described on the following pages if you are not fu lly famil iar with these
or other proced ures with respect to the ve­
h icle, or are uncerta in how to pro ceed.
- Do not do any work without the proper tools
and eq uipment. Have the necessary wo rk
done by your authorized Audi dealer or an­
other proper ly equipped and qualified work­
shop.
- The engine compartment of any motor vehi ­
cle is a potentially hazardous area . Never
reach into the area around or touch the radi­
ator fan.
It is temperature controlled and
can switch on suddenly
-even when the en­
g ine is off . The radiator fan switches on au­
tomatically when the coolant reaches a cer­
tain tempe rature and will cont inue to run
until the coolant temperature d rops.
- Always sw itch off the ignition before anyone
gets under the vehicle.
- Always support your veh icle with safety
stands if it is necessary to work underneath
the vehicle. The jack suppl ied with the veh i­
cle is no t adequate for this pu rpose and
could collapse caus ing serious personal in­
jury.
- I f you must wor k unde rneath the vehicle
with the wheels on the ground, always make
sure the vehicle is on level ground, that the
wheels are always securely blocked and that
the engine cannot be started.
- Always make sure the transmission se lector
lever (automatic transmiss ion) is in P (Park
position) and the park brake is applied.
II>
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Gasoline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Octane rating . . . . . . . . . . . . . . . . . . . . . . . 229
Recommendat ion . . . . . . . . . . . . . . . . . . . . 229
GAWR
refer to Gross Axle Weigh t Ra ting (GAWR) 289
Generator (indicator l ight) . . . . . . . . . . . . . . . 12
Global commands (voice recognition
system) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Glossa ry of tire and load ing te rm inology . . 246
Glove compartment . . . . . . . . . . . . . . . . . . . . 49
Gross Axle Weig ht Rating (GAWR) . . . . . . . 289
Gross Vehicle Weight Rat ing (GVWR) . . . . . 289
GVWR
refer to Gross Vehicle We ight
Rati ng (GVWR) . . . . . . . . . . . . . . . . . . . . . . 289
H
Handsfree . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
H eadlig ht range contro l system . . . . . . . . . . 38
H eadlig ht ra nge contro l system ( indicato r
light) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
C lean ing . . . . . . . . . . . . . . . . . . . . . . . . . . .
267
H eadlig ht range control system . . . . . . . . . 38
Washer system . . . . . . . . . . . . . . . . . . . . . . 42
Heated Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 41
Rear window . . . . . . . . . . . . . . . . . . . . . . . . . 53
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Washer nozzles . . . . . . . . . . . . . . . . . . . . . . 42
H eating and ventilation system
Ad justing a ir vents . . . . . . . . . . . . . . . . . . . . 53
H ex soc ket. . . . . . . . . . . . . . . . . . . . . . . . . . . 272
H ill descent contro l . . . . . . . . . . . . . . . . . . . . 67
H ill hold assist . . . . . . . . . . . . . . . . . . . . . . . . 62
also refer to Hill hold assist . . . . . . . . . . . . 62
H ome add ress . . . . . . . . . . . . . . . . . . . . 136 , 140
H omelink (garage door ope ner) . . . . . . . . . . 30
H orn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
H ow many airbags does my vehicle have? . . 20 1
How safety belt pretens ioners work . . . . . . 192
I
Ignition (indicator light)
13
I mba lance (wheels) . . . . . . . . . . . . . . . . . . . 253
Index
Immobilize r . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Impo rtan t th ings to do befo re driv ing . . . . 179
Importing and expo rting (contacts) . . . . . . 120
Imprope rly wo rn safety bel ts . . . . . . . . . . . 192
Ind icator lig hts . . . . . . . . . . . . . . . . . . . . . . . . . 9
Airbag system . . . . . . . . . . . . . . . . . . . . . . 206
PASSENGER A IR BAG . . . . . . . . . . . . . . . . . 206
Infant seats . . . . . . . . . . . . . . . . . . . . . . . . . 221
Inp ut
U sing the M MI touch . . . . . . . . . . . . . . . . . . 95
U sing the spe ller . . . . . . . . . . . . . . . . . . . . .
99
Inp ut level (media) . . . . . . . . . . . . . . . . . . . . 165
Inspection interva l . . . . . . . . . . . . . . . . . . . . 243
Installing child safe ty seats
Safety be lts . . . . . . . . . . . . . . . . . . . . . . . . 225
Instrument cluster . . . . . . . . . . . . . . . . . . . . . . 8
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Adjusting the light ing . . . . . . . . . . . . . . . . . 41
Interior ligh ting . . . . . . . . . . . . . . . . . . . . . . . 40
Intermittent (windsh ield w ipers) . . . . . . . . . 42
Internet
refer to Aud i connect . . . . . . . . . . . . . . . . . 124
Inte rne t radio . . . . . . . . . . . . . . . . . . . . . . . . 159
i Pod
refer to Aud i mus ic interface . . . . . . . 160, 161
i Tunes tagging . . . . . . . . . . . . . . . . . . . . . . . 149
l
Joystick function ( MMI) . . . . . . . . . . . . . . . . . 98
Jukebox . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Jump-start ing . . . . . . . . . . . . . . . . . . . . . . . . 283
Jump start cable 284
K
Key........ .. .. .. ................. .. . 22
K ey no t recogni ze d . . . . . . . . . . . . . . . . . . . 60
K ey replacement . . . . . . . . . . . . . . . . . . . . . 22
Key tag with vehicle code . . . . . . . . . . . . . . 22
Mechanica l key . . . . . . . . . . . . . . . . . . . . 22, 23
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Replacing the battery . . . . . . . . . . . . . . . . . 24
U nlocking/locking . . . . . . . . . . . . . . . . . 24, 27
Key recognition (climate control system) 51
Ki ck-dow n
A utomat ic transmission . . . . . . . . . . . . . . . 68
299