Checking and topping up fluids161
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data If a lot of coolant has been lost, wait for the engine to cool down
before putting in cold coolant. Failure to do so could result in
serious engine damage.
WARNING
The coolant and coolant additive can be a health hazard. Store the
coolant additive in the original container in a safe place out of
reach of children – risk of poisoning.
For the sake of the environment
Drained off coolant should not be used again. Drain off the used
coolant into a suitable container and dispose of it in the proper
manner (observe environmental regulations).Radiator fan
The radiator fan can start running spontaneously.The radiator fan is powered electrically. The speed of the fan is
varied according to the temperature registered by a thermostat.
The radiator fan or auxiliary fan can continue to run for as long as
10 minutes after stopping the engine – even after the ignition is
switched off. It may also start running suddenly after a while if•
residual heat raises the coolant temperature, or
•
the hot engine compartment is additionally heated up by the
sun.
Brake fluidNote
When required, the brake fluid should be changed by a
competent mechanic with the proper equipment.Brake fluid gradually absorbs moisture from the atmosphere. If the
water content in the brake fluid is too high, this may cause corrosion
in the brake system over time. In addition, the boiling point of the
brake fluid will be considerably reduced. This could adversely affect
the braking ability in certain circumstances.
For this reason the brake fluid must be changed periodically.
Your vehicle's Service Schedule will tell you when the brake fluid has
to be changed.
The brake fluid is replaced by your Audi R8 dealer as part of the
Inspection Service. They are familiar with the procedure and have
the necessary special tools and spare parts as well as the proper
facilities for disposing of the old fluid.
Use only the genuine brake fluid specified by the factory Qualified
workshops know that the brake fluid “DOT 4” is approved by Audi.
The brake fluid must be fresh and unused.
WARNING
Heavy use of the brakes may cause a vapour lock if the brake fluid
is left in the system for too long. This would seriously affect the
efficiency of the brakes and the safety of the car – risk of
accident.
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Index 204
Red symbols . . . . . . . . . . . . . . . . . . . . . 33
Service interval display . . . . . . . . . . . . 21
Setting . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Yellow symbols . . . . . . . . . . . . . . . . . . . 33
Driver messages . . . . . . . . . . . . . . . . . . . . . 34
Driving abroad . . . . . . . . . . . . . . . . . . . . . 138
Headlights . . . . . . . . . . . . . . . . . . . . . . 138
Unleaded fuel . . . . . . . . . . . . . . . . . . . 138
Driving away on a slope
hill hold assist . . . . . . . . . . . . . . . . . . . . 84
Driving safety . . . . . . . . . . . . . . . . . . . . . . 103
Driving time . . . . . . . . . . . . . . . . . . . . . . . . . 22
Dry sump lubrication system . . . . . . . . . 137
Dust filter . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
EElectric fuses . . . . . . . . . . . . . . . . . . . . . . . 190
Electric seat adjustment
SeeSeat adjustment . . . . . . . . . . . . . . . 68
Electric voltage . . . . . . . . . . . . . . . . . . . . . . 14
Electric windows . . . . . . . . . . . . . . . . . . . . 50
Central locking system . . . . . . . . . . . . . 43
Possible malfunctions . . . . . . . . . . . . . 50
Electrical socket . . . . . . . . . . . . . . . . . . . . . 72
Electrical system . . . . . . . . . . . . . . . . . . . . . 18
Electronic differential lock . . . . . . . . . . . 132
Warning lamp . . . . . . . . . . . . . . . . . . . . 19
Electronic immobiliser . . . . . . . . . . . . . . . . 42
Electronic stabilisation program . . . . . . 132
Emission control systems . . . . . . . . . . . . 138
Emissions . . . . . . . . . . . . . . . . . . . . . . . . . 196Engine compartment
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . 58
Safety notes . . . . . . . . . . . . . . . . . . . . . 155
Engine compartment layout . . . . . . . . . . 156
Engine data
SeePerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 198
Engine hood
SeeEngine lid . . . . . . . . . . . . . . . . . . . 155
Engine lid
Closing . . . . . . . . . . . . . . . . . . . . . . . . . 156
Opening . . . . . . . . . . . . . . . . . . . . . . . . 155
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Checking oil level . . . . . . . . . . . . . . . . 157
Consumption . . . . . . . . . . . . . . . . . . . . 157
Dry sump lubrication system . . . . . . . 137
LongLife Service . . . . . . . . . . . . . . . . . 157
Temperature gauge . . . . . . . . . . . . . . . 10
Topping up . . . . . . . . . . . . . . . . . . . . . . 158
See alsoPerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 198
Engine oil capacity
SeePerformance, weights and
dimensions . . . . . . . . . . . . . . . . . . . . 198
Engine oil pressure (too low) . . . . . . . . . . 36
Engine oil sensor defective . . . . . . . . . . . . 37
Environmental compatibility . . . . . . . . . . 139
Environmental tips
Filling the tank . . . . . . . . . . . . . . . . . . . 153
Leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Warming up the engine . . . . . . . . . . . . 82
EPC warning lamp . . . . . . . . . . . . . . . . . . . 16ESP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
See alsoElectronic stabilisation program
132
Ethanol fuel . . . . . . . . . . . . . . . . . . . . . . . . 152
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 64
FFilling the tank . . . . . . . . . . . . . . . . . . . . . 152
Releasing the tank flap manually . . . 154
First-aid kit . . . . . . . . . . . . . . . . . . . . . . . . . 178
Floor mats . . . . . . . . . . . . . . . . . . . . . . . . . 107
Foreign countries
SeeDriving abroad . . . . . . . . . . . . . . . 138
Four-wheel drive . . . . . . . . . . . . . . . . . . . . 136
Front passenger
SeeSitting position . . . . . . . . . . . . . . . 105
Fuel
Capacity . . . . . . . . . . . . . . . . . . . . . . . . 199
Consumption . . . . . . . . . . . . . . . . . . . . 196
Current consumption . . . . . . . . . . . . . . 22
Ethanol . . . . . . . . . . . . . . . . . . . . . . . . . 152
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . 13
Fuel level low . . . . . . . . . . . . . . . . . . . . . 36
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Fuel consumption . . . . . . . . . . . . . . . . . . . 196
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Fuel range . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fuses
Changing . . . . . . . . . . . . . . . . . . . . . . . 190
Fuse list . . . . . . . . . . . . . . . . . . . . . . . . 190
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