2007-2013 Audi A5 4 Door Self-help -> Jump-starting User Manual
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Self-help -> Jump-starting for Your Audi A5 4 Door First Generation (2007-2013)

Self-help 265
Controls Safety Driving tips General maintenance Self-help Technical data
– Insert the hook (provided in the vehicle's tool kit) in the
hole in the hub cap.
–Pull off the hub cap ⇒ page 261, fig. 241.
– Insert the adapter completely into the wheel bolt .
– Fit the box spanner as far as it will go over the adapter .
– Loosen or tighten the wheel bolt ⇒ page 261.
It is advisable to carry the wheel bolt adapter in the vehicle. The
adapter is normally stored in the vehicle tool kit, underneath the
towline anchorage. It should be put back there after use.
The code number of the anti-theft wheel bolt is stamped on the front
of the adapter. Your Audi dealer will need this number to replace the
adapter if lost.
Note
Note the code number of the anti-theft wheel bolt and keep it in a
safe place – not in your vehicle.
Jump-starting
Before starting the engine
If necessary, the engine can be started by connecting it to
the battery of another vehicle.
If the engine should ever fail to start because of a discharged
battery, the battery can be connected to the battery of another
vehicle to start the engine. Suitable jump leads are required.
Both batteries must be rated at 12 Volts. The capacity (Ah) of the
booster battery should not be significantly lower than that of the
discharged battery.
Jump leads
The jump leads must be heavy enough to carry the starter current.
Refer to the details given by the manufacturer.
Only use jump leads with insulated battery clamps.
Positive cable – usually red
Negative cable – usually black
WARNING
• When it is discharged the battery can freeze at temperatures
around 0°C. A frozen battery must first be thawed out before
connecting the jump leads, as it could otherwise explode.
• Please note the safety warnings referring to working in the
engine compartment ⇒ page 231.
Note
• There must be no contact between the two vehicles as otherwise
current could flow as soon as the positive terminals are connected.
• The discharged battery must be properly connected to the
vehicle's electrical system.
• Switch off the car telephone if necessary. Details will be given in
the manufacturer's instructions for the car telephone.
A
2
A
1
A
2
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Self-help266
Starting the engine
The two jump leads must be connected in the correct
sequence.
The jump-start terminals are located in the engine compart-
ment ⇒ fig. 248.
Connecting the positive terminals with the
positive lead (red)
– Open the red cap on the positive terminal ⇒ fig. 248.
1. Connect one end of the lead to the jump-start terminal
⇒ fig. 249 (terminal under red cap = “positive”) of the
vehicle with the flat battery .
2. Connect the other end of the positive lead to the positive
terminal of the boosting battery .
Connecting negative terminals with the
negative lead (black)
3. Connect one end of the negative lead to the negative
terminal of the boosting battery .
4. Connect the other end of the lead to the jump-start
terminal (terminal with hexagon = “negative”) of the
vehicle with the flat battery .
Starting the engine
– Start the engine of the vehicle with the boosting battery
and let it run at idling speed.
– Now start the engine of the vehicle with the discharged
battery .
– If the engine fails to start: do not operate the starter for
longer than 10 seconds. Wait for about 30 seconds and
try again.
– When the engine is running, disconnect the leads in
exactly the opposite sequence to that described above.
– Refit the red cap onto the positive terminal.
The battery is vented to the outside to prevent gases entering the
vehicle's interior.
Connect the battery clamps so they have good metal-to-metal
contact with the respective terminals.
WARNING
• The non-insulated parts of the battery clamps must not be
allowed to touch. The jump lead attached to the positive battery
Fig. 248 Engine
compartment: Termi-
nals for jump leads and
battery charger
Fig. 249 Jump-
starting with the
battery of another
vehicle: A – Discharged
battery, B – Boosting
battery
A
1
A
A
A
2
A
B
A
3
A
B
A
4
A
A
A
B
A
A
document_0900452a8179700c.book Seite 266 Donnerstag, 22. März 2007 10:19 10

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