
Inspecting and replenishing
162
Working in the engine compartment
Particular care is required when carrying out any work in the engine
compartment!There is a risk of injuries, scalding, acci dents and fire when working in the engine
compartment, e.g. inspecting and replenishing oil and other fluids. For this
reason, it is essential to comply with the warning instructions stated below and
with the general applicable rules of safe ty. The engine compartment of your car
is a hazardous area .
WARNING
Never open the bonnet if you see that steam or coolant is flowing out of the
engine compartment - risk of scalding! Wait long enough until the steam or
coolant has stopped escaping.
Switch off the engine and pull out the ignition key.
Apply the handbrake firmly.
If your vehicle is fitted with a manual gearbox, move the gearshift lever into
Neutral, or if it is fitted with automatic gearbox, move the selector lever into
position P.
Allow the engine to cool down.
Keep children clear of the engine compartment.
Do not touch any hot engine parts - risk of burns!
Never spill oil and other fluids over the hot engine. Such fluids (e.g. the anti-
freeze contained in the wash liquid) may ignite!
Avoid short circuits in the electrical system - particularly on the battery.
Never place your hand into the radiator fan as long as the engine is still
warm. The fan might suddenly start running!
Never open the cap of the coolant expans ion bottle as long as the engine is
still warm. The cooling system is pressurized!
Cover over the cap of the coolant expansion reservoir with a large cloth
when opening it as protection for your face, hands and arms from hot steam or
hot coolant.
Do not let objects, such as e.g cleaning cloth or tools lie in the engine
compartment.
If you wish to work under the vehicl e, you must secure the vehicle from
rolling away and support it with suitable supporting blocks: the car jack is not
sufficient for this - risk of injury!
In cases where it be necessary to carry out inspection work when the engine
is running there is an additional risk fr om rotating parts (e.g. the V-ribbed belt,
alternator, radiator fan) and from the high-voltage ignition system. Please
observe in addition the following:
Never touch the electrical cabl es of the ignition system.
Absolutely avoid any jewellery, loose it ems of clothing or long hair from
getting into the rotating parts of the engine - Hazard! Therefore remove any
jewellery beforehand, tie up your hair and wear tight fitting clothing.
Please also comply with the warnin g instructions stated below when
carrying out any essential work on the fuel system or on th e electrical system:
Always separate the car battery from the electrical system.
Do not smoke.
Never carry out any work close to naked flames.
Always keep a working fire extinguisher at hand.Caution
When replenishing fluids in the engine, always ensure that the fluids are on no account
mixed up. This may result in major oper ating problems and also vehicle damage!
WARNING (continued)
s16g.4.book Page 162 Wednesday, February 10, 2010 3:53 PM

Index221
Using the system
Safety
Driving Tips
General Maintenance
Breakdown assistance
Praktik
Technical Data
Index
AAbroad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
ABS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Adjusting seats . . . . . . . . . . . . . . . . . . . . . . . 57, 61, 110
Adjusting the seat backrest . . . . . . . . . . . . . . . . . . . . 60
Adjusting the steering wheel . . . . . . . . . . . . . . . . . . . 87
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . 81
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Deployment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Front airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Head airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Side airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Alternator Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Antilock brake system . . . . . . . . . . . . . . . . . . . . . . . . 136
Antilock brake system (ABS) Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Anti-theft alarm system . . . . . . . . . . . . . . . . . . . . . . . 41
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Auto Check Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Auto Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Automatic gearbox . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Emergency programme . . . . . . . . . . . . . . . . . . . . 98
Kickdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Selector lever-emergency unlocking . . . . . . . . 98
Tiptronic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Automatic vehicle wash systems . . . . . . . . . . . . . . 151
Automatic wiper/washer system . . . . . . . . . . . . . . . 53
AUX-IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Avoiding damage to your vehicle . . . . . . . . . . . . . . 146
BBattery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27, 168 change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Inspecting the electrolyte level . . . . . . . . . . . . . 170
Operation in winter . . . . . . . . . . . . . . . . . . . . . . . 171
Before setting off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Belt tensioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Belt tensioners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Bicycle holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14, 161
Boot lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Brake Handbrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Brake booster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Brake system
Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Button on the driver's door Central locking system . . . . . . . . . . . . . . . . . . . . . 38
Electrical power windows . . . . . . . . . . . . . . . . . . 43
CCar state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Central locking system . . . . . . . . . . . . . . . . . . . . . . . . . 36lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
unlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Changing wheels around . . . . . . . . . . . . . . . . . . . . 175
Charging the battery . . . . . . . . . . . . . . . . . . . . . . . . . 171 Warning light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Check engine oil level . . . . . . . . . . . . . . . . . . . . . . . 163
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 Side airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Child safety lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Child safety seat on the front passenger seat . . . . . . . . . . . . . . . 127
Safety information . . . . . . . . . . . . . . . . . . . . . . . 126
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 Classification into groups . . . . . . . . . . . . . . . . . 128
ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
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