Connecting The Battery For Trickle Charging
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 Porsche Panamera, 2015 Porsche Panamera, 2014 Porsche Panamera, 2013 Porsche Panamera, and 2012 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
A suitable battery charging device must be connected to the vehicle electrical system when performing the following tasks. All unnecessary loads must be switched off.
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