2017-2019 911 Carrera – Manual

2017-2019 911 Carrera – Manual

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Page: 62


Electric shock, short circuit or fire
Touching conductive parts of the vehicle can lead to an electric shock. You can cause a short circuit when working on the vehicle's electrical system.

The short circuit can cause a fire.

  • Always detach the negative terminal on the battery when working on the electrical system.
  • Tools or conductive items of jewelry (rings, necklaces, watchstraps) must not be allowed to come in contact with conductive parts of the vehicle.
  • Heed the safety warnings and safety symbols on the battery.

Fire or explosion
Many automotive fluids are highly flammable, e. g., fuel, engine or transmission oil. Fuel vapors can combust. A highly explosive electrolytic gas mixture can form when charging lead batteries.

  • Always detach the negative terminal on the battery when working on the electrical system.
  • To avoid static charges building, do not wipe down the battery with a dry cloth.
  • Before touching the battery, first touch the vehicle itself to allow any static charge to dissipate.
  • Never smoke or use naked flames near the battery. Also pay attention to flying sparks, e.g. when cables make contact. Be especially cautious of devices such as hot water heaters which ignite a flame intermittently.
  • Only work on the vehicle outdoors or in wellventilated spaces.

Battery Acid, Electrolyte and chemical Exposure

  • Wear eye protection.
  • Do not allow battery acid to come in contact with your skin or eyes.
  • After handling battery, always protect your skin and remove surface chemicals by washing thoroughly with soap and water.
  • If you get electrolyte, which is an acid, in your eyes or on your skin, immediately rinse with cold water for several minutes and call a doctor.
  • Spilled electrolyte must be rinsed off at once with a solution of baking soda and water to neutralize the acid.

Risk of short circuiting, fire and damage to the alternator and electronic control units.

  • The battery should only be removed and installed at an authorized Porsche dealer.
    Porsche recommends an authorized Porsche dealer, as they have trained technicians and the necessary parts and tools.
  • Always detach the negative terminal on the battery when working on the electrical system.

Automotive batteries loose their efficiency when not in use.

  • Test the battery voltage with appropriate equipment. Contact an authorized Porsche dealer.

Abb. 27: Battery

The battery is located under the cover in the trunk (Fig. 27).

For information on removing the cover:

  • Please see chapter "Removing and stowing the tire filling compressor" on page 149.
  • Never connect the black negative jumper cable directly to the battery. Always connect the black negative jumper cable to ground point B (Fig. 28 on page 64) in the trunk.
  • Observe the safety instructions on the battery.

For information on jump starting:

  1. Please see chapter "Emergency starting" on page 105.

Responding to warning symbols

If the battery is low, the or symbol is displayed on the multifunction display. If the symbol appears, there is a fault in the alternator.

  1. Please see chapter "Warning and Information Messages" on page 302.
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