2021 AUDI TT sensor

8S1012721BE
Lights and Vision


—To reduce glare for traffic behind your vehi-
cle, the rear fog lights* should only be
turned on in accordance with the legal regu-
lations in the country where you are operat-
ing the vehicle.
— If the battery has been discharging for a
while, the parking light may switch off auto-
matically. Always make sure your vehicle is
parked and adequately illuminated accord-
ing to the legal regulations in the country
where you are operating the vehicle. Avoid
using the parking lights for several hours.
G) Tips
— When using lighting equipment, the driver
is responsible for adhering to any local ap-
plicable regulations while driving and when
parking the vehicle.
— The light sensor for the automatic head-
lights* is in the rearview mirror mount. Do
not place any stickers in this area on the
windshield.
— Some exterior lighting functions can be ad-
justed > page 37.
— In some markets, the tail lights will switch
on when the daytime running lights switch
on.

—In cool or damp weather, the inside of the
headlights, turn signals, and tail lights can
fog over due to the temperature difference
between the inside and outside. They will
clear shortly after switching them on. This
does not affect the service life of the light-
ing.
Turn signal and high beam lever

BFV-0012


Fig. 41 Lever: switching on the turn signal and high beams
The lever operates the turn signals, the high
beams and the headlight flasher.
Turn signals >>
The turn signal will activate when you move the
lever into a turn signal position while the ignition
is switched on. The respective a or indicator
light flashes.
@- Right turn signal
@- Left turn signal
The turn signal blinks three times if you tap the
lever (convenience turn signal).
High beams ZO and headlight flasher
> Move the lever to the corresponding position:
@®- High beams on
@- High beams off or headlight flasher
The
EJ indicator light in the instrument cluster
will turn on.

Z\ WARNING
High beams can cause glare for other drivers,
which increases the risk of an accident. For
this reason, only use the high beams or the
headlight flasher when they will not create
glare for other drivers.
Adjusting the exterior lighting
You can adjust the exterior lighting separately.
The settings depend on the vehicle equipment.


> Select in the Infotainment system: [MENU] but-
ton > Vehicle > left control button > Vehicle
settings > Exterior lighting.

Automatic headlights
You can adjust the following settings in the Auto-
matic headlights menu:
Activation time - You can adjust if the headlights
switch on Early, Medium, or Late according to
the sensitivity of the light sensor.
37

Lights and Vision

Daytime running lights
USA models: the daytime running lights can be
switched on or off using the MMI. Select On or
Off.
Canada models: this function cannot be switched
off. They activate automatically each time the ig-
nition is switched on. This menu item is shown
with a “gray background”.
Entry/exit lighting
The Entry/exit lighting illuminates the area
around the vehicle when the vehicle is unlocked
or when the driver’s door is opened while the ig-
nition is off. The entry/exit lighting works when it
is dark and the light switch is in the AUTO posi-
tion. The front and rear daytime running lights*
switch on automatically each time the vehicle is
unlocked regardless of how bright it is outside
the vehicle.
Emergency flashers
a 2 3 g
g|
z a.


Fig. 42 Center console: emergency flasher button
The emergency flashers makes other drivers
aware of your vehicle in dangerous situations.
> Press the A button to switch the emergency
flashers on or off.
When the emergency flashers are turned on, the
a and B indicator lights will flash at the same
time.
You can indicate a lane change or a turn when the
emergency flashers are switched on by using the
turn signal lever. The emergency flashers stop
temporarily.
The emergency flashers also work when the igni-
tion is turned off.
38
G) Tips
You should switch the emergency flashers on
if:
— you are the last car in a traffic jam so that
all other vehicles approaching from behind
can see your vehicle
— your vehicle has broken down or you are
having an emergency
—your vehicle is being towed or if you are tow-
ing another vehicle
Messages
If the & indicator light turns on, a bulb has
failed. The message indicates the location of the
bulb. Replace the bulb immediately.
Vehicle lights: malfunction! Please contact
Service
There is a malfunction in the headlights or the
light switch. Drive immediately to an authorized
Audi dealer or authorized Audi Service Facility to
have the malfunction repaired.
Bg) Audi adaptive light: malfunction! See own-
er's manual
Adaptive light* is not working. The headlights
still function.
Drive immediately to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction repaired.
a Automatic headlights: malfunction! See
owner's manual
The light/rain sensor is malfunctioning.
The low beams remain switched on at all times
for safety reasons when the light switch is in the
AUTO position. However, you can continue to
turn the lights on and off using the light switch.
Drive immediately to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction repaired.
Ba Headlight range control: malfunction! See
owner's manual

8S1012721BE
Lights and Vision

® Tips
— If the light reaching the rearview mirror is
obstructed, the automatic dimming mirror
will not function correctly,
— The automatic dimming mirrors do not dim
when the interior lighting is turned on or
the reverse gear is selected.
ry Ss cd
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Fig. 46 Roof headliner: sun visor
Applies to: vehicles with pivoting sun visors: The
sun visors can be pulled out of their brackets and
turned toward the doors (4).
The vanity mirrors on the sun visors have covers.
Slide the cover in the direction of the arrow (2).
Applies to: vehicles with mirror lighting: The mir-
ror lighting switches on when the cover opens.
Windshield wipers
Switching the windshield wipers on

BFV-0019



Fig. 47 Lever: windshield wipers
Move the windshield wiper lever SY to the corre-
sponding position:
@ - Windshield wipers off
@- Interval mode. To increase/decrease the wip-
er intervals, move the switch @ to the left/right.
In vehicles with a rain sensor*, the wipers turn on
in the rain once the vehicle speed exceeds ap-
proximately 2 mph (4 km/h). The higher the sen-
sitivity of the rain sensor* is set (switch @) to the
right), the earlier the windshield wipers react to
moisture on the windshield. You can deactivate
the rain sensor mode®* in the Infotainment sys-
tem, which switches the intermittent mode on.
Select in the Infotainment system: [MENU] but-
ton > Vehicle > left control button > Driver assis-
tance > Rain sensor > Off.


@- Slow wiping
@®- Fast wiping
@- Single wipe. If you hold the lever in this posi-
tion longer, the wipers switch from slow wiping
to fast wiping.
© Clean the windshield &. The number of wipes
and afterwipes depends on how long the lever is
held in position ©).
The wipers wipe one time after several seconds of
driving to remove water droplets. You can switch
this function off by moving the lever to position
© within ten seconds of the afterwipe. The after-
wipe function is reactivated the next time you
switch the ignition on.
If you hold the lever in position ) for longer
than half a second, the edge wiping feature will
be activated. This moves the wiper closer to the
edge of the windshield and performs an after-
wipe to clean the residue that results from the
wiping process from the edge of the windshield.
The function is available when driving at speeds
up to 75 mph (120 km/h).
The headlight washer system” only functions
when the lights are switched on. The headlights
are automatically cleaned the first time and ev-
ery fifth time the lever is moved to position ©).

ZX WARNING
— The rain sensor* is only intended to assist
the driver. The driver may still be responsi-
ble for manually switching the wipers on
based on visibility conditions.

41

Lights and Vision


— The windshield must not be treated with
water-repelling windshield coating agents.
Under unfavorable conditions, such as wet-
ness, darkness, and when the sun is low,
these coatings can cause increased glare,
which increases the risk of an accident. They
can also cause wiper blade chatter.
— Properly functioning windshield wiper
blades are required for a clear view and safe
driving > page 42, Replacing windshield
wiper blades.

> Place the windshield wiper arms in the service
position > page 42.
> Fold the windshield wiper arms away from the
windshield.

ZX WARNING
Dirty windshield wiper blades can impair vi-
sion, which increases the risk of an accident.
Replacing windshield wiper blades


@) Note
— If there is frost, make sure the windshield
wiper blades are not frozen to the wind-
shield. Switching on the windshield wipers
when the blades are frozen to the wind-
shield can damage the wiper blades.
— The windshield wiper system must be
switched off (lever in position 0) before us-
ing a car wash. This prevents the wipers
from switching on unintentionally and caus-
ing damage to the windshield wiper system.
@ Tips
— The windshield wipers switch off when the
ignition is switched off. You can activate the
windshield wipers after the ignition is
switched on again by moving the windshield
wiper lever to any position.
— Worn or dirty windshield wiper blades result
in streaking. This can affect the rain sensor*
function. Check your windshield wiper
blades regularly.
— The washer fluid nozzles in the windshield
washer system are heated* at low tempera-
tures when the ignition is on.
— When stopping temporarily, such as ata
traffic light, the speed of the windshield
wipers automatically reduces by one level.
Cleaning windshield wiper blades
Clean the wiper blades when you see wiper
streaks. Clean the wiper blades with a soft towel
and glass cleaner.
42
B8R-0379
A
> 2

Fig. 48 Windshield wiper: removing the wiper blade
Windshield wiper service position/blade
replacement position
> To bring the windshield wipers into the service
position, turn the ignition off and move the
windshield wiper lever into position @)
=> page 41, fig. 47.
> To bring the wipers into the starting position,
turn the ignition on and move the windshield
wiper lever into position (@) for at least two sec-
onds & page 41, fig. 47.
Removing the wiper blade
> Fold the windshield wiper arm away from the
windshield.
> Hold the wiper blade firmly.
> Press the locking knob (+) > fig. 48 on the wiper
blade.
> Remove the wiper blade in the direction of the
arrow.
Installing the wiper blade
> Insert the new wiper blade into the mount on
the wiper arm () until you hear it latch into
place.
>» Place the wiper arm back on the windshield.
> Turn the service position off.

8S1012721BE
Lights and Vision


ZA WARNING
For safety reasons, the windshield wiper
blades should be replaced once or twice each
year.

@) Note
— The windshield wipers must only be folded
up when in the service position! Otherwise,
you risk damaging the paint on the hood or
the windshield wiper motor.
— You should not drive your vehicle or press
the windshield wiper lever when the wiper
arms are folded away from the windshield.
The windshield wipers would move back in-
to their original position and could damage
the hood and windshield.
G) Tips
— You can also use the service position, for ex-
ample, if you want to protect the windshield
from icing by using a cover.
— You cannot activate the service position
when the hood is open.
If the & indicator light turns on, then there is a
windshield wiper malfunction. Drive to an au-
thorized Audi dealer or authorized Audi Service
Facility immediately to have the malfunction cor-
rected.
a Automatic wipers: malfunction! See owner's
manual
The light/rain sensor is malfunctioning.
You can still control all functions that are not
controlled by the rain sensor using the wind-
shield wiper lever.
Drive immediately to an authorized Audi dealer
or authorized Audi Service Facility to have the
malfunction repaired.
Digital compass
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Applies to: vehicles with digital compass

BFV-0288

a
Fig. 49 Rearview mirror: digital compass is switched on

> To turn the compass on or off, press the button
@ until the compass display in the mirror turns
on or off.
The digital compass only works when the ignition
is turned on. The directions are indicated with ab-
breviations: N (north), NE (northeast), E (east),
SE (southeast), S (south), SW (southwest), W
(west), NW (northwest).
@ Tips
To prevent inaccurate compass readings, do
not bring any remote controls, electrical devi-
ces or metallic objects near the mirror.
43

8S1012721BE
Sitting correctly and safely


had asthma or other health issues that af-
fect breathing. Exit the vehicle or open the
windows or doors to get access to fresh air.
@ Tips
If you are transporting children in the vehicle,
read the information and follow the safety
precautions > page 57.
Safety systems monitoring
The ka indicator light in the instrument cluster
monitors the safety systems such as the airbags
(including the control modules, sensor, and wir-
ing) and the belt tensioners. It turns on when you
switch the ignition on and turns off after several
seconds.

If the indicator light does not turn on when the
ignition is switched on, does not turn off after
several seconds, or turns on or flashes while driv-
ing, there may be a malfunction in one of the
safety systems. Drive to an authorized Audi deal-
er or authorized Audi Service Facility immediately
to have the malfunction corrected.

ZA\ WARNING
Have the malfunction in the safety systems in-
spected immediately. Otherwise, there is a
risk that the systems may not activate during
an accident, which increases the risk of seri-
ous or fatal injury.

53

8S1012721BE
Sitting correctly and safely

The locations of the airbags are labeled with
“AIRBAG”. The following airbags are installed in
your vehicle:
Driver's airbag
Front passenger's airbag
Side airbags
Applies
to: Coupe: Head curtain airbag with
ejection mitigation
©
©0080
Knee airbags
Airbags offer the best possible protection in your
vehicle during an accident when they are used to-
gether with safety belts that are fastened cor-
rectly, and when passengers are sitting in the
correct seating position. Airbags are a supple-
mentary restraint system and do not replace
safety belts.
Applies to: Coupe: Airbags may deploy during
head-on, side-impact, or rollover collisions.
Applies to: Roadster: Airbags may deploy during
head-on or side-impact collisions.
The deployment area for the airbag system can-
not be defined for every situation, since the cir-
cumstances surrounding accidents can vary wide-
ly. Factors that play an important role include the
condition of the object that the vehicle hits (hard
or soft), the angle of impact, vehicle speed, etc.
The deciding factor for the deployment of the air-
bag system is the deceleration that occurs during
an accident. Sensors in the vehicle are designed
to detect the severity of an accident in conjunc-
tion with the control module, and to provide a
targeted and timely deployment of the restraint
system. If the vehicle deceleration that is meas-
ured during an accident is below the specified
reference values in the control module, then the
airbags will not deploy, even though the vehicle
may be severely damaged from the accident. In
these cases, the vehicle occupants will be pro-
tected by the safety belts if they are fastened and
worn correctly.
The deployment of the front passenger's airbag
will depend on the occupancy of the seat
=> page 55.
Each deployed airbag is filled with gas. When this
occurs, the airbag covers open and the airbags

unfold with great force into the deployment zone
within milliseconds. Inflated airbags reduce the
movement of passengers wearing safety belts in
the direction of the impact and thus help to re-
duce the risk of injury. They can help to protect
the head, upper body, and lap, for example. How-
ever, there is the possibility that airbag deploy-
ment can cause injuries.
The airbag system only works when the ignition
is turned on.
If you or other vehicle passengers have physical
limitations that prevent sitting in a correct posi-
tion, modifications to the vehicle may be neces-
sary. For more information, contact an author-
ized Audi dealer or authorized Audi Service Facili-
ty, or call Audi customer support at
1-800-822-2834.
) Tips
Applies to: Coupe
The side curtain airbags in your vehicle have
ejection mitigation functions. This reduces
the risk of being ejected from the vehicle inte-
rior during an accident, especially in the event
of a vehicle rollover.
Advanced airbag system

Fig. 62 Headliner: indicator light to display the status of
the front passenger's airbag
The Advanced Airbag System in your vehicle has
been certified to comply with the requirements
of the United States Federal Motor Vehicle Safety
Standard (FMVSS) 208, as well as Canada Motor
Vehicle Safety Standard (CMVSS) 208 as applica-
ble at the time your vehicle was manufactured.
According to these requirements, the front Ad-
vanced Airbag System on the passenger’s side
55
>

Sitting correctly and safely

has been certified for “suppression” for infants
approximately 12 months old and younger, and
for “low risk deployment” for children aged 3 to
6 years old (as defined in the standard).
The advanced airbag system will activate or deac-
tivate the front passenger's airbag based on the
occupancy of the seat. If a front airbag deploys
during an accident, the deployment force will
adapt to the passenger.
Components
The advanced airbag system consists of the fol-
lowing components:
— Front airbags in the steering wheel and in the
instrument panel on the front passenger's side:
these can protect the front passengers during
an accident
— Passenger occupant detection sensor in the
front
passenger's seat: this detects if the front
passenger's seat is occupied (for example, by a
person or asmall child in a child safety seat)
— Seat position sensors on the front seats: these
determine the distance between the seat and
the steering wheel or instrument panel
— Sensors in the front seat belt latch: these de-
tect if the safety belts are fastened
— PASSENGER AIR BAG OFF 8%; ON ® indica-
tor light in the headliner:this indicates if the
front passenger's airbag is activated or deacti-
vated
- indicator light in the instrument cluster:
this monitors the function of the Advanced Air-
bag System components to ensure they are
functioning correctly
How the components function together
The passenger occupant detection sensor in the
front passenger's seat detects if the front pas-
senger's seat is occupied. The passenger occu-
pant detection sensor measures the electrical ca-
pacity on the front passenger’s seat. The pas-
senger's airbag is activated or deactivated de-
pending on the electrical capacity that is meas-
ured.
The passenger's airbag is activated if:
56
— The electrical capacity is higher than the
threshold stored in the control module
— The electrical capacity is the same as or greater
than the electrical capacity of a typical adult
The passenger's airbag is deactivated if:
— The electrical capacity is lower than the thresh-
old stored in the control module
— The electrical capacity is the same as or less
than the electrical capacity of a typical one-
year-old child in a child safety seat that has
been used for certification in accordance with
FMVSS 208
If the front passenger's airbag is activated, the
PASSENGER AIR BAG ON @ indicator light
will turn on. If the front passenger's airbag is de-
activated, the PASSENGER AIR BAG OFF #;
indicator light will turn on.
The deployment force of the front airbags adapts
based on whether or not the safety belt is used
and the distance between the seat and the steer-
ing wheel/instrument panel. For example, if a
person is too close to the front airbag, the front
airbag will deploy with less force to help reduce
the risk of injury.
Meaning of PASSENGER AIR BAG OFF #4, ON
® indicator light
When the ignition is switched on, the system de-
tects whether the front passenger's seat is occu-
pied. PASSENGER AIR BAG OFF #;, ON @
will turn on for several seconds during this proc-
ess. Then it will indicate whether the front pas-
senger's airbag is activated or deactivated.
— PASSENGER AIR BAG OFF 8%; the front
passenger's airbag is deactivated and will not
deploy in the event of an accident.
— PASSENGER AIR BAG ON @: the front pas-
senger's airbag is activated and could deploy in
the event of an accident.
If a change to the occupancy status of the front
passenger's seat is detected
PASSENGER AIR BAG OFF #, ON @ will
flash for several seconds and will then display the
status of the front passenger's airbag.