Connecting The Battery For Trickle Charging

Information 

A charger with a current rating of at least 40 A must be connected to the external power supply points/jump-lead starting points.

Set the charger to maximum A (amps).

Switch off all unnecessary loads (e.g. lights).

When working on the vehicle for more than 15 minutes

When running a diagnosis using the Porsche System Tester

When adjusting the headlights

When working on or with the Infotainment system

If the doors, bonnet and rear lid are open for a long period of time or if these components are actuated frequently