wheel alignment AUDI TT COUPE 2017 Owners Manual

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circumference as the regular
tires .
8,_ WARNING , -
-Only use tire/rim combina-
tions and suitable wheel bolts
that have been approved by
Audi. Otherwise, damage to
the vehicle and an accident
could result.
-For technical reasons, it is not possible to use tires from oth­
er vehicles -in some cases,
you cannot even use tires from
the same vehicle model.
-Make sure that the tires you select have enough clearance
to the vehicle. Replacement
tires should not be chosen simply based on the nominal
size, because tires with a dif­
ferent construction can differ greatly even if they are the
same size. If there is not
enough clearance, the tires or
the vehicle can be damaged
and this can reduce driving
safety and increase the risk of
an accident.
-Only use tires that are more
than six years old when abso­
lutely necessary and drive
carefully when doing so.
Wheels
-Do not use run-flat tires on
your vehicle. Using them when
not permitted can lead to ve­ hicle damage or accidents.
-If you install wheel covers on
the vehicle, make sure they al­
low enough air circulation to
cool the brake system. If they
do not, this could increase the
risk of an accident.
Tire wear/damage
Fig. 197 Tire profile : treadwear indica­
tor
Tire wear
Check the tires regularly for wear .
-Inflation pressure that is too low
or high can increase tire wear
considerably.
-Driving quickly through curves, rapid acceleration and heavy
braking increase tire wear .
-Have an authorized Audi dealer
or authorized Audi Service Facili­
ty check the wheel alignment if
there is unusual wear.
263
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Emergency assistance
Removing and mounting a wheel
Fig. 209 Wheel: internal hex socket to turn the whee l
bolts
Fig. 210 Whee l: alignment pin in the top hole
Removing a wheel
., Remove the top wheel bolt complete ly using
the hex socket in the screwdriver hand le (in the
vehicle tool kit)
c::> fig. 209 and place it on a
clean surface.
., Install the alignment pin (from the vehicle tool
kit) by hand into the empty hole
c::> fig. 210.
., Remove the rest of the wheel bolts.
., Remove the wheel
c::>(D . The alignment pin re-
mains in the hole wh ile doing this.
Install a wheel
Read the directions on
c::> page 286 when instal­
ling unidirectional tires.
., Slide the wheel on over the alignment pin
c::> (D .
., Install the wheel bolts and tighten gent ly using
the hex socket.
., Remove the alignment pin and also tighten the
remaining wheel bo lt .
., Carefully lower the vehicle using the vehicle
jack* .
., Tig hte n the wheel bolts i n a diagona l pattern
using the wheel wren ch.
286
The wheel bolts must be clean and loosen/tight ­
en easily . Check the contact surfaces for the
wheel and hub. Contam inants on these surfaces
must be removed before installing the wheel.
A WARNING
Never use the hex socket in the screwdriver
handle to tighten the wheel bolts. Using the
hex socket will not achieve the required tight­
ening torque, which increases the risk of an
accident.
(D Note
When removing or installing the wheel, the
rim could h it the brake rotor/ceramic brake
r otor* and damage the rotor. Work carefully
and have a second person help you .
(D Tips
- When mounting tires with unidirectional
tread design make sure the tread pattern is
pointed the right way
Q page 286.
-The wheel bolts should be clean and easy to
turn. Check for dirt and corrosion on the
mating surfaces of both the wheel and the
hub. Remove all dirt from these surfaces be­
fore remounting the whee l.
Unidirectional tires
A unidirectional tire profi le is identified by arrows
that point in the runn ing direction on the tire
s idewall. You must always adhere to the speci­
fied running direction. This is necessary ensure
the tire's optimum performance in regard to ad­
hesion , running noise, friction and hydroplaning.
To benefit fully from the advantages of the uni­
directional tire design, you should replace faulty
tires as soon as possible and restore the correct
running direction on all of the tires.
Finishing
., Re install the caps on the wheel bolts if neces­
sary .
., Store the veh icle tool kit in its designated
place . .,.

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A
A/C (climate control system) . . . . . . . . . . . . . 52
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Active lane assist . . . . . . . . . . . . . . . . . . . . . . 72
Activating vibration warning . . . . . . . . . . . . 74
Adjusting steering time.......... ...... 74
Cleaning the camera area . . . . . . . . . . . . . 276
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 73
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Switching on/off . . . . . . . . . . . . . . . . . . . . . 73
Adaptive dampers . . . . . . . . . . . . . . . . . . . . . . 79
Adaptive light . . . . . . . . . . . . . . . . . . . . . . . . . 79
Adapt ive light (indicator light) . . . . . . . . . . . 17
Additional phone ............ .. .. . 115, 175
Adjusting a ir distribution (Cl imate control sys-
tem) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52
Adjusting the air vents . . . . . . . . . . . . . . . . . . 53
Adjusting the center console lighting . . . . . . 39
Adjusting the sound . . . . . . . . . . . . . . . . . . . 178
Adjusting the temperature (climate control
system) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52
Advanced Airbag System
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Componen ts . . . . . . . . . . . . . . . . . . . . . . . .
204
Front airbags . . . . . . . . . . . . . . . . . . . . . . . 202
How the components work together . . . . 206
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Indicator light . . . . . . . . . . . . . . . . . . . . . . . 15
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . 217
Advanced Airbag-System . . . . . . . . . . . . . . 201
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Child restraints . . . . . . . . . . . . . . . . . . . . . 223
Components (front airbags) . . . . . . . . . . . 204
Danger of fitting a child safety seat on the
front passenger seat . . . . . . . . . . . . . . . . .
198
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Front airbags . . . . . . . . . . . . . . . . . . . . . . . 201
H ow do the front airbags work? . . . . . . . . 207
How many airbags does my vehicle have? 204
Important information . . . . . . . . . . . . . . . 197
Important safety instructions on the knee
airbag system ................. ..... .
215
Knee airbags. ....................... 213
Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . 209
PASSENGER AIR BAG light . . . . . . . . . . . . 209
Repairs ... . .. .. ............. .. .. .. . 212
Safety instructions . . . . . . . . . . . . . . . . . . . 211
Index
Side airbags . . . . . . . . . . . . . . . . . . . . . . . . 215
Side curtain airbags . . . . . . . . . . . . . . . . . . 218
Warning/Ind icator lights . . . . . . . . . . . . . 209
When must the system be inspected? . . . 209
Alarm system
refer to Anti-theft alarm system . . . . . . 25 , 30
Alignment pin (chang ing the wheel) . . . . . . 281
All season tires . . . . . . . . . . . . . . . . . . . . . . . 270
All weather lights . . . . . . . . . . . . . . . . . . . . . . 36
All wheel drive . . . . . . . . . . . . . . . . . . . . . . . . 91
Alternative routes . . . . . . . . . . . . . . . . . . . . . 142
Amb ient lighting . . . . . . . . . . . . . . . . . . . . . . 38
AMI
refer to Audi music interface . . . . . . . . . . . 161
Android Auto
refer to Audi smartphone interface 172
Announcements (sett ings)
refer to Voice guidance . . . . . . . . . . . . . . . 142
Anti -freeze
Windsh ield washer system . . . . . . . . . . . .
253
Anti-lock braking system (ABS) . . . . . . . . . . . 88
Anti-s lip regulat ion . . . . . . . . . . . . . . . . . . . . 88
Anti-theft alarm system . . . . . . . . . . . . . . . . . 30
Apple CarP lay
refer to Audi smartphone interface . . . . . 172
Arm rest.. .. .... .. .. ............... .. . 45
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Aspect ratio (video) . . . . . . . . . . . . . . . . . . . 166
Audi connect . . . . . . . . . . . . . . . . . . . . . . . . . 126
Data connection . . . . . . . . . . . . . . . . . . . . . 131
Data protection . . . . . . . . . . . . . . . . . . . . . 133
Services (overview) . . . . . . . . . . . . . . . . . . 128
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Audi magnetic r ide
refer to Adaptive dampers . . . . . . . . . . . . . 79
Audi music interface . . . . . . . . . . . . . . . . . . . 161
Audi music stream
refer to Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . 159
Audio files . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Audio player
Bluetooth audio player . . . . . . . . . . . . . . .
158
Wi-Fi audio player . . . . . . . . . . . . . . . . . . . 159
Audio track . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Audi Service Repair Manuals and Literature 301
Audi smartphone interface . . . . . . . . . 172, 176
Audi virtual cockpit (instr ument cluster) . . . . 8
305