194 Intelligent technology
@ Tips
-ABS and ASR on ly work correctly when
all four wheels are equipped w ith identi
cal tires. Different tire sizes can lead to a
reduction in engine power.
- You may hear noises when the systems
described are working.
- If the indicator light
DJ or 11:11 (USA
models) 1i] (Canada models) appears,
there may be a malfunction¢
page 20,
c> page 19.
Switching on and off
ESC
turns on automatically when you start
the engine.
Fig. 177 Center console w it h ESC OFF button
Switching sport mode on
Press the I~ OF FI button c::> fig . 177. The ac
tions taken by the ESC system to stabilize the
vehicle are limited. In vehicles with front
wheel drive, the anti-slip regulation (ASR) is
limited. In vehicles with a ll-wheel drive, the
ASR is switched off. The
It) ESC indicator light
turns on and the message
Stabilization con
trol (ESC): Off Warning! Reduced stability
¢.&. appears in the driver information system
d isplay.
The following examples are unusual situa
tions where it may make sense to switch sport
mode on in order to allow the wheels to spin:
- Rocking the vehicle back and forth when it is
stuck
- Driving in deep snow or on loose ground
- Driving with snow cha ins
Switching sport mode off
Press the 1.$ OF FI button again. The I indica
tor light turns off and the message
Stabiliza
tion control (ESC): On
appears in the driver
information system display .
A WARNING
-
-Drive wheels can spin and you can lose
control of the vehicle more easily when
ASR and ESC are in sport mode, especial
ly when the road is slippery.
- Sw itch to sport mode only when your
driving skills, traffic and weather condi
tions permit.
@ Tips
You cannot sw itch sport mode on when
adaptive cruise control* is working.
Braking
General information
What affects braking efficiency?
-
Operating conditions and driving habits
The brakes on today's automobiles are still
subject to wear, depending largely on operat
ing condit ions and driving hab its
c::> .&. . On
vehicles that are either driven most ly in stop
and-go city t raff ic or are driven hard, the
brake pads should be checked by your author
ized Audi dea ler more often than specified in
the
Warranty & Maintenance booklet. Failure
to have your brake pads inspected can result
in reduced brake performance .
On steep slopes, you should use the braking
effect of the engine . This way, you prevent un
necessary wear on the brake system. If you
must use your brakes, do not hold the brakes
down continuously. Pump the brakes at inter
vals .
Moisture o r road salt
Under certain conditions, for example, when
driving through water or very heavy rain, or
even after washing your vehicle, the braking
effect can be reduced due to moisture (or in .,,_
