General instructions/safety instructions

The following points must be observed during vehicle diagnosis:

The stored seat and mirror positions are retained after the battery is disconnected.
After the battery is connected, volatile memories must be re-programmed. In the case of radio coding and tuning, the customer must be informed of decoding and the deleted tuner memory.
After the battery has been connected, the instructions in the assembly must be observed. Refer to WORK INSTRUCTIONS AFTER DISCONNECTING THE BATTERY .
After troubleshooting or repairs, erase the fault memory with the Porsche System Tester II 9588 and then read out the fault memory again.

CAUTION: Danger of injury and damage due to improper handling of the battery and control module connectors!

Never disconnect battery with engine running.
Never start engine unless battery is connected securely.
Never pull off or push on plug connections for the control modules or other electronic components when the ignition is switched on.