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Audi dealer or authorized Audi Service Facility
and have the cooling system inspected. If the
cooling system is not leaking, a loss can come
from the coolant boiling through overheating
and being pushed out of the cooling system.
A WARNING
The cooling system is pressurized and can be
come very hot . To reduce the risk of burns
from hot coolant:
- Do not open the coolant expansion tank cap when the eng ine is hot. This increases the
risk of burns.
- Stop the engine and allow it to cool.
- Protect your face, hands and arms from es-
caping coolant and steam by covering the
coolant tank cap with a large, thick cloth .
- Turn the coolant tank cap counterclockwise
slowly and keep light pressure on the cap .
- To reduce the risk of burns, do not allow any
antifreeze or coolant to drip onto the ex
haust system or hot engine components .
The ethylene g lycol in engine coolant can
catch fire under certain circumstances.
- The coolant add itive and the coolant can be
dangerous to your health. For this reason,
keep the coolant in the original container
and away from children. There is a risk of
poisoning.
- When working in the engine compartment,
remember that the radiator fan can sw itch
on even if the ignition is switched off, which
increases the risk of injury.
(D Note
Do not add coolant if the expansion tank is
empty . Air could enter the cooling system and
damage the engine. If this is the case, do not
cont inue driving. See an authorized Audi deal
er or authorized Audi Service Facility for assis
tance.
Checking and Filling
Brake fluid
Fig. 193 En gi ne compartment: cover on the b rake fluid
rese rvoir
Observe the safety precautions QA in Working
in the engine compartment on page 244 .
Checking the brake fluid level
.,. Read the brake f luid level on the brake fluid
reservoir
Q page 246, fig . 189. The brake fluid
level must be between the MIN and MAX mark
ings
Q A .
The brake fluid level is monitored automatically.
Changing the brake fluid
Have the brake fluid changed regularly by an au
thorized Audi dealer or authorized Audi Service Facility.
.&_ WARNING
- If the brake fluid level is below the MIN
marking, it can impair the brak ing effect
and driving safety, which increase the risk of
an accident. Do not continue driving. See an
authorized Audi dealer or authorized Audi
Serv ice Facility for assistance.
- If the brake fluid is old, bubbles may form
in the brake system during heavy braking.
This would impair braking performance and
driving safety, which increases the risk of an
accident .
- To ensure the brake system functions cor
rectly, only use brake fluids that comply
with VW standard 501 14 or
FMVSS-116 DOT 4.
251
