2014 AUDI S4 ground clearance

Audi adaptive cruise control and braking guard 99
Audi adaptive cruise
control and braking
guard
Introduction
App lies to vehicles: with Audi adaptive cruise control
The adaptive cruise control system assists the
driver by regu lating vehicle speed and helping
to maintain a set distance to the vehicle
ahead, within the limits of the system . If the
system detects a moving vehicle up ahead,
adaptive cruise control can brake and then ac­
celerate your vehicle . This he lps to make driv­
ing more comfortable on long highway
stretches.
The braking guard system can warn you about
an impending collision and initiate braking
maneuvers
c::;, page 1 OS.
Adaptive cruise control and braking guard
have technical limitations that you must
know, so please read this section carefully, un­
derstand how the system works and use them properly at all times.
General information
General information
Applies to vehicles: with Audi adaptive cruise control
Fig. 110 Front of the vehicle: Position of radar sensor
The area that contains the radar sensor
c::;, fig. 110 must never be covered by stickers
or other objects or obstructed with dirt, in­
sects, snow or ice that will interfere with the
adaptive cruise control system and braking
guard. For information on cleaning, refer to
c::;, page 204. The same applies for any modifi­
cations made in the front area . The
function of the adaptive cruise control
system and braking guard is limited under
some cond itions:
- Objects can only be detected when they are
within sensor range
.:!>page 101 , fig. 113.
-The system has a limited ability to detect
objects that are a short distance ahead, off
to the side of your vehicle or moving into
your lane.
- Some kinds of vehicles are hard to detect;
for examp le motorcycles, vehicles with high
ground clearance or overhanging loads may
be detected when it is too late or they may
not be detected at all.
- When driving through curves
c::;, page 100.
-Stationary objects c::;, page 100.
A WARNING
-Always pay attention to traffic when adap-
tive cruise control is switched on and brak­ ing guard is active. As the dr iver, you are
still respons ible for start ing and for main­
tain ing speed and distance to other ob­
jects. Braking guard is used to assist you.
The driver must always take action to avoid
a collision. The driver is always responsible
for braking at the correct time.
- Improper use of adaptive cruise con trol
can cause collisions, other accidents and
serious personal injury .
- Never let the comfort and convenience
that adaptive cruise control and braking
guard offer d istract you from the need to
be alert to traffic conditions and the
need to remain in fullcontrolofyourve­
hicle at all times,
- Always remember that the adaptive
cru ise contro l and braking guard have
limits -they will not slow the vehicle
down or maintain the set distance when
you drive towards an obstacle or some­
thing on or near the road that is not
moving, such as vehicles stopped in a
traffic jam, a stalled or disabled vehicle.
If registered by the radar sensor, vehicles
or obstacles that are not moving can
trigger a collision warning and if .,.

the engine is at its proper operating tempera­
ture and fuel economy has reached a normal
level. So you can see that you should avoid
short trips whenever possib le.
The
outside temperature is also critical in this
regard. Your car consumes more fuel in the
winter than in the summer .
allroad: Driving offroad
General information
Applies to vehicles: atlroad
When driving offroad, the funct ions for the
e lectronic stab ilization control (ESC) are ex­
panded. The ESC-Offroad-Mode can be activat­
ed in driving situations in which a wheel lock
or a differentia l lock function is needed
c::> page 188. In addit ion, your Audi provides
continuous all wheel drive .
Your Audi is however , not an offroad vehicle.
Never drive the vehicle in terrain which is not
suitable for the vehicle, or which exceeds
your driving skills. Never take any unneces­
sary risks!
After driving offroad
-After driving offroad, remove branches and
other debris from the radiator grille, under ­
body, and wheels. Look especially for objects
(stones) that have been caught in the tire
tread .
- Clean the body and the vehicle underbody
and inspect the vehicle for possible damag­
es.
- Clean off the dirty windows, headlights, tail
lights and the license plate.
- Perform a brake test (especially after driving through water).
A WARNING
- Be espec ially aware and attentive when
dr iv ing under diff icult conditions . Dam­
ages to the vehicle and injuries may oc­
cur when driving at an excess ively high
speed or with incorrect driving maneu­
vers.
Driving and environment 199
- Always adjust your speed and handling
to the roads, terrain, traff ic and weather
conditions. Drive especially slow if off­ road with low visibility.
- Please note that the wheels can spin and
the vehicle can break away when the ESC
Offroad Mode is switched off, especially
when the road is slippery .
- Driving stability is reduced in the ESC
Offroad mode .
® For the sake of the environment
Avoid harming the environment and take
nature into cons ideration.
(D Tips
Only drive where it is allowed and always
stay on the provided roads and paths.
Driver messages
Applies to vehicles : a ll road
There is only one right way to drive in difficult
conditions: slowly and with caution!
When dr iving offroad, observe the following:
... Never drive the vehicle i n terrain which is
not suitab le for the vehicle, or which ex­
ceeds your driv ing ski lls. Never take any un­
necessary risks!
... Drive slow ly and cautiously!
... Pay attention to the
ground clearance of
your vehicle! This may vary depending on the load and composition of the ground and
the environment. The driver is therefore re­
sponsible for deciding whether a veh icle can
handle a specific situation.
... Act ivate the
ESC -Offroad-Mode c::> page 188
as needed.
Difficult terrain
Never dr ive in areas that are not familiar to
you and drive slowly when offroad and be pre­
pared and expect the unexpected (e.g. pot­
holes, boulders, tree stumps, etc.)
To prevent the vehicle from bottoming and avo id damage to the underbody, you should
drive straight across severe bumps in the
IJII>
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_______________________________ ___:I~n~d~e:.::x 285
Fuel
Additives ... ................ ... ... 209
Blended gasoline ............ ... .. . 209
Consumption . . . . . . . . . . . . . . . . . . . . . . 25
Filler neck .. ............. .... .. ... 211
Fuel gauge . ................ ... ... . 12
Gasoline ... ... .. .. ...... .. .. .. .. . 209
Gasoline additives ........... .... .. 211
L ow fuel level symbol . . . . . . . . . . . . . . . 21
Octane rating ............ .... .. ... 209
Recommendation ............ ... .. . 209
Refuelling . ................. ... ... 212
Reserve .... ................ ... .... 12
T ank capacity . ........... .. .. .. ... 273
Tank system ............. .... .. .... 21
Unlocking the fuel filler flap by hand . . 213
F uel economy messages (efficiency pro-
gram) .......................... .... 29
Fuel filler flap
Un locking the fuel filler flap by hand . . 213
Fuses Assignment . . . . . . . . . . . . . . . . . 261, 263
R l . ep acing .................. .... .. 261
G
Garage door opener (Homelink) .. .. .. . 124
Garment hooks . . . . . . . . . . . . . . . . . . . . . . 66
Gas discharge lamps ........ .. .. .. .. . 264
Gauges Engine coolant tempera ture .. .. .. .. .. 10
Fuel gauge ................. .... ... 12
Tachometer . . . . . . . . . . . . . . . . . . . . . . . 11
Gear recommendation . . . . . . . . . . . . . . . . 28
G h.ft . d'
ears
I in 1cator ......... .. .. .. .. .. 27
Gearshift lever 6-speed manual transmission . .. . ... .. 91
General illustration Instruments and controls . . . . . . . . . . . . . 8
Generator Warning/indicator lights ......... .. .. 17
Glossary of tire and loading terminology 231
Glove compartment . . . . . . . . . . . . . . . . . . 65
Valet parking ............ .... .. .... 46
GPS controlled clock .. .... .. .. .. .. .. .. 12
Gross Vehicle Weight Rating (GVWR) ... 272
Ground clearance .................. . 199
H
Headlights
Cleaning ... ..... .. ............... 205
Cleaning system . . . . . . . . . . . . . . . . . . . . 53
Defective . . . . . . . . . . . . . . . . . . . . . . . . . 21
Headlight range control ............ . 22
Left hand drive, right hand drive .. .. .. . 49
Travel mode . . . . . . . . . . . . . . . . . . . . . . . 49
Headlight washer reservoir ......... .. 228
Head restraints .. .. .......... ....... 132
Adjusting . . . . . . . . . . . . . . . . . . . . 61, 132
Removing/installing .............. .. 61
Heated exterior mirrors . . . . . . . . . . . . . . . . . . . . SO
rear window . .. .. .... ........... .. . 78
seats ..... .. .. .. .... ............. . 78
windshield washer spray nozzles . . . . . . 53
Heating ......... ... ..... ........... 76
Heavy clothing and saf ety belts ....... . 141
High beam .. .. .. .. .. . ... .. ..... .... . 48
High voltage warning label .. ....... .. 272
Hill descent control .................. 95
Homelink (remote control) ......... .. 124
Hood Opening .. .. .. .. .... ............. 214
Release lever . . . . . . . . . . . . . . . . . . . . . 214
Hooks ............................. 72
Horn .. .... .. .... ..... ... ... ... ... .. 8
How are child restraint system anchors re-
la ted to child safety ........... .. .... 181
How many airbags does my vehicle have? 153
How often should I check my tire pres-
sures? 238
How safe ty bel t pre ten sioners work .. .. 144
Hydroplaning ..... .. ............... 240
I
Ignit ion
switching on/off .. ...... .. .. ... .... . 80
Ignition key Emergency unlocking .......... .... .. 35
Ignition lock .. .. .. ...... .. ... ...... . 80
Indic ato r light . .. ........... ...... . 18
Mal func tion . . . . . . . . . . . . . . . . . . . . . . . 22
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 12
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