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In addition, please note that the use of
replacement parts that are not genuine
Porsche parts or approved parts, or the use of
accessories not approved by Porsche may
also detrimentally affect your vehicle warranty.
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Check your vehicle regularly for signs of
damage. Damaged or missing aerodynamic
components, such as spoilers or underbody
panels, impair vehicle handling and must
therefore be replaced immediately.
Radiator fan
For information on radiator fans:
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Please see the chapter "RADIATOR FANS" on
page 245.
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WARNING
Radiator Fans
The fans can start running depending on the
temperature, even with the engine switched off.
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Exercise extreme care that parts of the body,
articles of clothing or jewelry do not get caught
in the radiator fan.
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Exercise extreme caution when working in the
area of the radiator fans.
Measurements on test stands
Performance test
Performance tests on roller-type test stands are
not approved by Porsche.
Brake tests
Brake tests must be performed only on roller-type
test stands.
The following limit values must not be exceeded
on roller-type test stands:
– Test speed 4.7 mph (7.5 km/h)
– Test duration 20 seconds
Testing the electric parking brake
Electric parking brake tests on the brake test
stand must only be performed with the ignition
switched on and with the manual gearshift lever
in neutral or the Tiptronic S selector lever in
position N.
The vehicle switches automatically to brake test
stand mode, in which the electric parking brake
can be tested.
The message "Electric parking brake in service
mode" appears on the multi-purpose display of the
instrument panel.
Balancing wheels on the vehicle
During finish balancing of the wheels, the entire
vehicle must be lifted and the wheels must be free
to turn.
Engine Oil
It is important to perform oil changes regularly in
accordance with the intervals specified in your
Maintenance Schedule.
Engine oil consumption
It is normal for your engine to consume oil.
The rate of oil consumption depends on the quality
and viscosity of oil, the speed at which the engine
is operated, the climate, road conditions as well
as the amount of dilution and oxidation of the
lubricant.
If the vehicle is used for repeated short trips, and
consumes a normal amount of oil, the engine oil
measurement may not show any drop in the oil
level at all, even after 600 miles (1000 km) or
more. This is because the oil is gradually
becoming diluted with fuel or moisture, making it
appear that the oil level has not changed.
The diluting ingredients evaporate out when the
vehicle is driven at high speeds, as on an
expressway, making it then appear that oil is
excessively consumed after driving at high
speeds.
If the conditions you drive your vehicle in are
dusty, humid, or hot, the frequency of the oil
change intervals should be greater.
If the vehicle is driven at a high rate of speed,
climatic conditions are warm, and the load is high,
the oil should be checked more frequently, as
driving conditions will determine the rate of oil
consumption.
– The engine in your vehicle depends on oil to
lubricate and cool all of its moving parts.
Therefore, the engine oil should be checked
regularly and kept at the required level.
– Make it a habit to have the engine oil level
checked with every refueling.
Maintenance and Car Care
241
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