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Cayenne

2019 Macan – Manual

2019 Macan – Manual

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Page: 83

Emergency starting

Emergency Starting If the battery is flat, the battery of another vehicle can be used for starting and as an external power supply with the help of jumper cables. Both batteries must have a nominal voltage of 12 V. The capacity (Ah) of the donor battery must not be substantially less than that of the flat battery. The discharged battery must be connected correctly to the vehicle’s electrical system.

  1. Please see chapter "Battery" on page 53.

Repeated emergency starting under normal operating conditions may indicate that the battery is damaged.

Unsuitable jumper cables and following incorrect procedures
Starting the vehicle using unsuitable jumper cables or following incorrect procedures can cause short circuits. The short circuit can cause a fire.

  • Use only standard jumper cables with sufficient cross section and completely insulated clamps. Follow the instructions provided by the jumper cable manufacturer.
  • The vehicles must not touch, otherwise current may flow as soon as the positive terminals are connected.
  • Ensure that conductive jewelry (e.g. rings, chains, watch straps) do not come into contact with live parts of the vehicle.
  • Never connect jumper cables directly to the battery. Only connect jumper cables to the emergency starting terminals.

Emergency starting a frozen or damaged battery
When emergency starting a frozen or damaged battery, there is a danger of explosion and chemical burns.

  • Never emergency start a frozen or damaged battery.

Corrosive electrolyte
Lead batteries contain highly caustic battery acid that can cause damage to the skin and clothing in the event of contact.

  • Wear safety gloves and eye protection.
  • To prevent acid from leaking out, do not tilt the battery.
  • If battery acid gets into your eyes or on your skin: Rinse with cold water for several minutes.

Performing emergency starting

Fig. 48: Performing emergency starting


  1. Open the hood.
  2. Fold open the cap on the positive terminal for emergency starting + (A).
  3. Connect the red positive cable to the positive terminal for emergency starting + (A).
  4. Connect the red positive cable to the positive terminal of the donor battery.
  5. Connect the black negative cable to the negative terminal of the donor battery.
  6. Connect the black negative cable to the ground point – (B).
  7. Let the engine of the donor vehicle run at a higher engine speed.
  8. Start the engine. An attempted start using jumper cables should not last more than 15 seconds. Then wait for at least one minute.
  9. With engine running:
    First, disconnect the black negative cable from the ground point B then from the negative terminal on the donor battery.
  10. With engine running:
    Disconnect the red positive cable from the positive terminal of the donor battery first, then from the positive terminal for emergency starting +.
  11. Close the cap on the positive terminal for emergency starting +.
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