Instructions on how to handle 12V vehicle batteries.
Porsche technical service bulletin No. 31-20 for 2018-2020 Porsche Cayenne, 2020 Porsche Taycan and 2020 Porsche 911.
- Bulletin number
- No. 31-20
- Component
- Equipment
- Summary
- Instructions on how to handle 12V vehicle batteries.
Vehicles covered
- Porsche Cayenne 2018-2020 201820192020
- Porsche Taycan 2020 2020
- Porsche 911 2020 2020
VIN decoder
See the problems and recalls for an exact car
Buying a used Porsche Cayenne?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history