Replacing AGM Battery

Information 

The AGM (Absorbent Glass Mat) battery is a maintenance-free, sealed battery.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Serial number and part number on battery

• This battery must not be opened. If the battery is opened, it must be replaced. 
• There is a serial number -A- and a part number -B- on the top right-hand side of the battery. 

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition and press F12 to continue.
2. Select the vehicle type and start the PIDT.
3. Select the Gateway  control unit in the overview  and press F12 to continue.
4. Maintenance/repairs  must then be selected.
5. Change battery  must now be selected. Then press F12 to continue.
6. Enter the serial number and part number  and press F12 to continue.
7. Enter the battery size and manufacturer  and press F12 to continue.
8. Read out the fault memory and erase it if necessary.