Battery

EZ Battery Reconditioning Method

How to Recondition a Battery

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Warning!

Risk of short circuit and fire.

f Observe all warning notes on the battery.

f Disconnect the battery during all work on the electrical system.

f Do not lay tools or other metal objects on the battery as they could cause a short circuit across the battery terminal.

Hydrogen gas generated by the battery could cause an explosion, resulting in severe personal injuries.

f Do not expose the battery to an open flame, electrical spark or a lit cigarette.

f Do not wipe battery with a dry cloth.

Risk of severe personal injury and damage to the fabric, metal or paint.

f Wear eye protection.

f Do not allow battery acid to come in contact with your skin, eyes, fabric or painted surfaces.

f 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.

f Spilled electrolyte must be rinsed off at once with a solution of baking soda and water to neutralize the acid.

Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm.

f Always protect your skin by washing thoroughly with soap and water.

Risk of explosion as a result of static charge.

f Do not wipe the battery with a dry cloth.

f Eliminate potential electrostatic charge by touching the vehicle before touching the battery.

Charge state

A well charged battery will not only prevent starting problems but will also last longer.

In order to avoid discharging the battery unintentionally:

f Switch off unnecessary electrical loads in city traffic, on short trips or in a line or traffic.

f Always remove the ignition key from the ignition switch when leaving the car.

f Avoid frequent operation of the convertible top and operation of the Porsche Communication Management system when the engine is not running.

Battery care f Ensure that battery is securely mounted.

f Keep terminals and connections clean and properly tightened.

Corrosion can be prevented by coating the terminals and connections with petroleum jelly or silicone spray.

f Ensure that vent caps are securely tightened to prevent spillage.

Checking the electrolyte fluid level

Generally, the electrolyte level must be checked more often in summer than in the winter, and more often when driving long distances.

f When adding water, use only clean containers. In no case may alcohol (e.g. window cleaner residues) be permitted to enter the battery.

f Unscrew and open the filler vent caps of each cell.

With the car on a level surface, the fluid level should meet the indicator mark in each cell.

f If necessary, top up with distilled water. Do not use acid.

Only fill up to the mark, otherwise the electrolyte will overflow when the battery is being charged and cause damage.

Battery charging

Automotive batteries loose their efficiency when not in use.

The charge available in your battery can be measured with a battery hydrometer. We recommend that the battery voltage be tested by your Porsche dealer who has the appropriate equipment.

If the car is not driven for prolonged periods, the battery must be charged at least every 6 weeks. A discharged battery allows rapid formation of sulfates, leading to premature deterioration of the plates.

Slow battery charging

Winter operation

Hydrogen gas generated by the battery could cause an explosion, resulting in severe personal injuries.

f Charge battery in a well ventilated area.

f Never charge a frozen battery. It may explode because of gas trapped in the ice. Allow a frozen battery to thaw out first.

f 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.

1. Pay attention to all warnings and follow instructions that come with your battery charger.

2. When charging, ensure adequate ventilation.

3. Remove battery.

Please observe the chapter "REMOVING THE BATTERY" on Page 240.

4. All vent caps should be open.

The fluid level should meet the indicator mark in each cell.

5. Ensure that charger is switched off - danger of short circuit!

6. Connect charger cables.

Charger cables must be connected POSITIVE (+) to POSITIVE (+) and NEGATIVE (-) to NEGATIVE (-).

7. Switch on charger.

Normally, a battery should be charged at no more than 10 percent of its rated capacity. Rated capacity of the battery in your vehicle is listed on the battery housing.

8. After charging, turn off charger and disconnect charger cables.

9. Tighten the vent caps and reinstall battery. Please observe the chapter "INSTALLING THE BATTERY" on Page 241.

The capacity and ability of the battery to store power decreases at low outside temperatures. Additionally, more power is consumed while starting, and the headlights, heater, rear window de-fogger, etc., are used more frequently.

f Let your Porsche dealer test the battery's capacity before winter sets in.

The battery will discharge more quickly if your vehicle is not driven on a daily basis over a distance of several miles. The more often you drive your vehicle, and the longer the distance driven on each trip, the more opportunity the vehicle's charging system will have to recharge the batteries.

Replacing battery

The service life of the battery is subject to normal wear; it depends greatly on care, climatic conditions, and driving conditions (distances, loads).

f Only use an original Porsche battery, with the correct part number, as a replacement.

f Please observe the disposal instructions for batteries.

Putting vehicle into operation

After the battery is connected or after an exhaustively discharged battery is charged, the multifunctional PSM light lights up on the instrument panel and a message appears on the on-board computer to indicate a fault.

This fault can be remedied with a few simple steps:

1. Start the engine.

2. With the vehicle stationary, perform a few steering movements to the left and right and then drive a short distance in a straight line until the multifunctinal PSM light goes out and the message on the on-board computer disappears.

3. If the warnings do not disappear, then: Drive carefully to the nearest authorized Porsche dealer.

Have the fault remedied.

Ignition key/ignition lock f Do not insert the ignition key into the ignition lock if the vehicle battery is discharged. The ignition key can no longer be removed.

The key cannot be removed until the vehicle electrical system is supplied with power again.

f Please observe the chapter "EMERGENCY UNLOCKING OF THE LUGGAGE COMPARTMENT LID" on Page 235.

f Please observe the chapter "EMERGENCY STARTING WITH JUMPER CABLES" on Page 242.

4. After the warnings disappear: Stop the vehicle in a suitable place.

f Perform adaptation of the power windows: Please observe the chapter "STORING END POSITION OF THE WINDOWS" on Page 29.

Removing the battery

The required tool is in the tool kit.

The battery is located in the luggage compartment under a black plastic lid.

Warning!_

Risk of damage to alternator and electronic control units.

f Do not disconnect the battery while the engine is running.

This also applies to cars equipped with a battery main switch.

f Never drive the car with a disconnected battery.

Risk of caustic burns from escaping acid.

f Keep vent caps on to avoid spillage.

f Do not tilt the battery when removing and installing it.

1. Switch off engine and all electrical loads.

2. Open turn-locks A. Remove plastic lid.

3. Pull off central vent hose C.

Danger!_

Risk of short circuit and explosion.

f Important: disconnect the negative (-) ground wire first, and then the positive (+) cable.

4. Unscrew fastening screw B.

5. Remove battery.

Installing the battery

1. Put battery in and push it all the way to the stop.

2. Screw in fastening screw B.

Danger!_

Risk of short circuit and explosion.

f Important: connect the positive (+) cable first, and then the negative (-) ground wire.

3. Push on central vent hose C.

4. Fit plastic lid. Lock turn-locks A.

Replacing the remote-control battery

The battery should be changed when the range of the radio remote control becomes smaller or when the light-emitting diode no longer flashes when the remote control is operated.

1. Using your finger nail or a small screwdriver, carefully lift off the cover of the key grip (arrow).

2. Replace the battery (paying attention to the polarity).

Replacement battery - Lithium CR 2032, 3 volts

3. Replace the cover and press together firmly. Please observe the disposal instructions for batteries.

Note f Please dispose batteries in compliance with any and all government regulations.

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