tire size AUDI TT ROADSTER 2011 User Guide

212 Tires and wheels
Tire pressure
monitoring system
General notes
Appl ies to vehicles: with tire pressure monitoring system
Each tire, including the spare (if provided),
should be checked monthly when cold and in­
f lated to the inflation pressure recommended
by the vehicle manufacturer on the vehicle
placard or tire inflation pressure label. (If your
vehicle has t ires of a different size than the
size indicated on the vehicle placard or tire in­
flation pressure label, you should determine
the proper tire inflation pressure for those
tires.)
As an added safety feature, your vehicle has
been equipped with a tire pressure monitoring
system (TPMS) that illuminates a low tire
pressure telltale when one or more of your
tires is significantly under-inflated. According­
ly, when the low tire pressure telltale illumi­
nates, you should stop and check your tires as
soon as possible, and inflate them to the proper pressure. Driving on a significantly un­
der-inflated tire causes the tire to overheat
and can lead to tire failure. Under-inflation al­
so reduces fuel efficiency and tire tread life,
and may affect the vehicle's handling and
stopping ability.
Please note that the TPMS is not a substitute
for proper tire maintenance, and it is the driv­
er's responsib ility to ma inta in correct tire
pressure , even if under-inflation has not
reached the level to trigger illumination of the
TPMS low tire pressure telltale.
Your veh icle has also been equ ipped with a
TPMS malfunction indicato r to indicate when
the system is not operating properly. The
TPMS malfunction indicato r is combined with
the low tire pressure telltale. When the sys­
tem detects a malfunction, the telltale will
f lash for approximately one minute and then
remain continuously illuminated. This se­
quence will continue upon subsequent vehicle
start-ups as long as the ma lfunction exists. When the
malfunction indicator is illuminat­
ed, the system may not be ab le to detect or
s ignal low tire pressure as intended. TPMS
malfunctions may occur for a variety of rea­
sons, including the installation of replace­
ment or alternate tires or wheels on the vehi­
cle that prevent the TPMS from functioning
properly. Always check the TPMS malfunction
telltale after replacing one or more tires or
wheels on your vehicle to ens ure that the re­
placement or alternate ti res and wheels allow
the TPMS to continue to function properly.
Tire pressure indicator appears
Applies to veh icles : w ith tire pressure monitoring system
The tire pressure indicator in the instrument
cluster informs you if the tire pressure is too
low or if there is a system malfunction.
Fig. 151 Display : underinflatio n warning
Fig. 152 Display: System malfunction
Using the ABS sensors, the tire pressure moni­
toring system compares the tire tread circum­
ference and vibration characteristics of the in­ dividual tires. If the pressure decreases in one
or more t ires, this is indicated in the instru­
ment cluster with a warning symbol
g and a
message
r=:> fig. 151. Th e driver message in the
display goes out after 5 seconds. The driver
message can be displayed again by pressing
11--

238 Genera l inform ation
G ro ss Ax le Weight Rating
The Gross Axle Weight Rating is the maximum
l oad that can be applied at each axle of the
vehicle ~&. .
Vehicle capacity weight
The vehicle capac ity we ight (max. load) is list­
ed eithe r on the dr iver's side B-pillar or inside
the fuel filler flap.
A WARNING
- The actual Gross Axle Weight Rat ing at
the front and rear axles should not ex­
ceed the perm iss ible weights, and their
combination must not exceed the Gross
Vehicle Weight Rat ing .
- Exceeding permissib le we ight ratings can
result in vehicle damage, accidents and
personal injury.
@ Note
- The vehicle capacity weight figures apply
when the load is distributed evenly in the
vehicle (passengers and luggage) . When
transporting a heavy load in the luggage
compartment, carry the load as near to
the rear axle as possible so that the vehi­
cle's handling is not impa ired.
- Do not exceed the maximum permissible
axle loads or the maximum gross vehicle
weight. Always remembe r that the vehi­
cle's handling will be affected by the ex­
tra load. Therefore, adjust your speed ac­
cordingly.
- Always obse rve loca l regu lations.
Dimensions
-
The spec ifications refer to the basic model.
Differences may occ ur depending on the mod­
e l type and options ordered, for examp le, tire
sizes.
(D Note
When driving up steep ramps, on rough
roads, ove r curbs, etc. it is important to re­
member that some parts of your vehicle, such as spoi
le rs or exhaust system compo­
nents, may be close to the ground. Be
careful not to damage them.