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than the posted speed limit and weather con
ditions permit. Reducing unnecessary idling
Even wh en your car is just idling it burns up
fuel.
.,. Shu t the engine off when you a re not dr iv ing
the vehi cle.
... Do not warm up the vehicle by letting the
engine run at idle.
It is effic ient to switch off the eng ine when
stopped at railroad crossings and long red
lights. Turning the engine
off for just 30-40
seconds saves more fu el than is burned by
starting the engine again.
It takes a long time fo r the engine to wa rm up
fu lly when it is running at idle. However , wear
and noxious emissions are especially high
when the engine is wa rming up. So you should
drive away as soon as you start the eng ine and
avoid running at h igh RPM while the engine is
still warm ing up.
Do not leave engine idling unattended af
ter starting. If warning lights should come on to indicate improper operation, they
wou ld go unheeded. Extended idling also
p roduces heat, which cou ld result in over
heating or other damage to the vehicle or
other prope rty .
Regular maintenance
A badly tuned engine unnecessarily wastes a lot of fuel.
.,. Have your vehicle serv iced at regular inter-
vals.
H aving your vehicle regularly serviced by an
author ized Audi dealer helps to ensure that it
runs properly and economically . T he condition
of your vehicle not only affects its safety and
ab ility to hold its value, it also affects fuel
c onsum ption.
Dri ving and the en vironm ent 199
Chec k your oil e ach t ime you fill your tank.
T he amou nt of oi l used is re lated to engine
load a nd speed.
It is normal for the oil consumption of a new
engine to reach its lowest value after a certa in
mileage has bee n driven.
You must drive your veh icle about 3,000 m iles
(5,000 kilometers) before you can properly
assess oil consumpt ion.
This also app lies to fue l consumption and en
gine output .
(D Note
- Have your veh icle ma inta ined properly
and in accordance with the service rec
ommendations in your Warranty
& Ma in
tenance booklet . Lack of proper mainte
nance as well as improper use of the ve
hicle will impair the function of the
em iss ion cont ro l system and cou ld lead
t o damage.
- Do not alter or remove any component of
the Emission Control System unless ap
proved by the manufacture r.
- Do not alter or remove any device, such
as hea t shie lds, switches, ign ition w ires,
valves, which are designed to protect
your vehicle's Emission Control System
and other important vehicle compo
nents.
Fewer short trips
Fuel consumption will always be relatively
high on short trips.
... Try to avoid dr iving sho rt distances with a
cold engine .
T he eng ine and catalytic conve rter have to
reach their optimal operati ng t emperature to
reduce fuel consumption and noxious emis
sions effectively.
Just after starting, a co ld eng ine in a mid-s ize
ca r only achieves a fuel economy of 6 -8 mi les
per gallon (30-40 l/100 km). After about a
half a mile, fuel economy climbs to 12 mpg ..,.
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