Preliminary Work

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2023 Porsche Panamera, 2022 Porsche Panamera, 2021 Porsche Panamera, 2020 Porsche Panamera, and 2019 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.

Observe warning notes.
> 2X00IN GENERAL WARNING NOTES FOR WORKING ON THE HIGH-VOLTAGE VEHICLE ELECTRICAL SYSTEM
Isolate the high-voltage system from the power supply and complete the relevant documentation.
> 2X00IN ISOLATING HIGH-VOLTAGE ELECTRICAL SYSTEM FROM POWER SUPPLY/STARTING HIGH-VOLTAGE ELECTRICAL SYSTEM
Perform function test on test adapter.
> WM, 2X00IN FUNCTION TEST ON HIGH-VOLTAGE TEST ADAPTER
Disconnect high-voltage charger.
> 279719 REMOVING AND INSTALLING HIGH-VOLTAGE CHARGER