Porsche 911 2020, Руководство пользователя

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Wheels and Tires
301
Fig. 241: Example of a tire pressure plate
A Seating capacity
Maximum number of vehicle occupants, including the
driver.
B Vehicle load limit
Is the maximum total weight limit specified of the load
(passengers and cargo) for the vehicle. This is the max-
imum weight of passengers and cargo that can be
loaded into the vehicle.
C Vehicle load limit
Size of tires mounted at the factory.
D Recommended cold tire inflation pressure
These values are for cold tires (68 °F (20 °C)).
Tire Pressure Monitoring System
(TPMS)
WARNING
Defective tires
Driving with defective tires can result in serious
accidents.
e When a red tire pressure warning appears on the
instrument cluster: Stop immediately in a suit-
able place and check the tires for damage. If
necessary, remedy the damage with tire sealant
or mount the spare wheel.
e Do not continue to drive with defective tires.
Have defective tires replaced immediately. Con-
sult an authorized Porsche dealer. Porsche rec-
ommends an authorized Porsche dealer, as they
have trained technicians and the necessary parts
and tools.
e Do not drive with tires that repeatedly lose pres-
sure in a short space of time. If in doubt, have the
tire checked by an authorized Porsche dealer.
Porsche recommends an authorized Porsche
dealer, as they have trained technicians and the
necessary parts and tools.
WARNING
High speed at comfort
pressure.
Excessive speed when comfort pressure is set dam-
ages the tires and wheels.
e Reduce speed to below the maximum speed
displayed in the instrument cluster.
e For higher speeds, fill the tires to the standard
inflation pressure.
Each tire, including the spare (if provided), should be
checked monthly when cold and inflated to the in-
flation pressure recommended by the vehicle man-
ufacturer on the vehicle placard or tire inflation
pressure label. (If your vehicle has tires of a different
size than the size indicated on the vehicle placard or
tire inflation 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. Accordingly, when the tire pressure warning
light comes on, you should stop, check your tires as
soon as possible, and inflate them to the proper
pressure. Driving on a significantly under-inflated
tire causes the tire to overheat and can lead to tire
failure. Under-inflation also reduces fuel efficiency
and tire tread life, and may affect the vehicle’s han-
dling and stopping ability.
Please note that the TPMS is not a substitute for
proper tire maintenance, and it is the driver's re-
sponsibility to maintain correct tire pressure, even if
under-inflation has not reached the level to trigger
illumination of the TPMS low tire pressure telltale.
The display as well as the settings for the Tire Pres-
sure Monitoring System take place on the multi-
function display. However, the tires still have to be
inflated manually.
> Please see chapter "Technical Data" on
page 327.
The tire pressure monitoring system offers the fol-
lowing functionalities:
– Permanent monitoring of tire pressure and tire
temperature.
– Displays the actual tire pressure (actual pres-
sure) while driving.
– Tire pressure warnings in two stages (yellow and
red warning).
– Vehicle stationary: Display of pressure difference
in relation to the set pressure.
The tire pressure warning light and a corre-
sponding message on the instrument cluster warn
against loss of pressure in two stages (yellow and
red tire pressure warning, depending on the extent
of the pressure loss).
The tire pressure warning light only goes out when
the tire pressure has been corrected to the set
pressure.
The yellow tire pressure warning is displayed for
around 10 seconds after the vehicle comes to a
standstill and the ignition has been switched off or
when the ignition is switched on again. The yellow
tire pressure warning can be acknowledged when
the ignition is switched on. The red tire pressure
warning also appears while driving and can be
acknowledged.