Audi A3 2010 Owner's Manual page 234

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WARNING
Failure to us e eng ine oil for your die sel eng ine th at ex pre ssly
conform s to Audi oil specification VW 507 00 can cau se engine
f ailure on t he high w ay that can caus e a cra sh and seriou s per sona l
injury.
• Never use any amo unt of eng ine oil in the d ie sel eng ine th at
does not conform to Audi oil spec ification VW 507 00.
• Alwa ys ca rry w ith yo u an ex tra q ua rt lliter l of eng ine o il that
conform s to Audi oil spe cification VW 507 00 in case you mu st top
off the oi l w hil e on the road .
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WARNING
Improper ly stored item s can become airborne mi ssiles, flying
through the vehicle causing serious personal injury in t he event of
hard braking or an accident . To help reduce the risk of serious
personal injury:
• Alw ays store extr a quart lliter ) of engine oil for your diesel
engine in its original oil container t hat is securely closed in the
luggage comp artment . M ake sure the cont ainer is securely stored
and mounted.
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Note
• If you use eng ine oi l tha t does not expressly conform to Audi oil
specification VW 507 00, very serious and very expensive damage to
your vehicle's engine wil l occu r. Engine damage caused by using
the wrong engine oi l is not covered by your New Vehicle Limited
Warranty .
• Not all commercia lly available oils conform to this very rigid Audi
oi l quality standard even though they may be synthe t ic-based and
have the same viscosity. •
Engine cooling system
Coolant
The engine coolan t perf orms two functions: it keeps the
engine from overheating an d it protects the engine from
freezing in the winter.
The cooling system is sealed and general ly requires litt le attention.
The coo ling system has been fi ll ed at the factory with a permanent
coo lant which does not need to be changed. The coolant consists of
a mixture of water and the manufacturer's glycol -basedcoolant
additive G12++ antifreeze with anti corrosion additives (50% for USA
models; 60% for Canadian mode ls). This mixture both assures the
necessary frost protection and protects metal components in the
engine's cooling system from corrosion and scaling. It also raises
the boil ing point of the coolant.
Do not reduce the concentration of the coolant in the summer by
adding pla in water. The proporti on of coolant additive mu st be at
least 50% but not more than 60% to maintain antifreeze protection
and cooling efficiency . If the coolant frost protect ion is too low, the
coo lant could freeze and damage the vehicle heating and engine
coo ling system.
For year-round driving, antifreeze is added at the factory for temper -
atures down to :
• - 31 °F ( - 35 °C) USA
• - 40 °F ( - 40 °C) Canada .
You can mix the G12++ coolan t additive with other additives G12+ or
G12. Always check with your authorized Audi dealer.
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WARNING
Before you check anything in the engine compartment , alwa ys
read and heed all WARNING S
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in "Working in the engine
compartment " on page 224.