Keyless Entry: Service Precautions

General Instructions/Safety Instructions

The following points must be observed during vehicle diagnosis:
- After the battery is connected, volatile memories must be reprogrammed. In the case of radio coding and tuning, the customer must be informed of decoding and the deleted tuner memory.
- After troubleshooting or repairs, erase the fault memory with the Porsche System Tester II No. 9588 and carry out a test drive.
- After the test drive, read out the fault memory with the Porsche System Tester II No. 9588 again.

DANGER:
Danger of injury through triggering of driver's airbag.
- Never hang the Porsche System Tester II No. 9588 over the steering wheel.

WARNING:
Danger of injury and damage due to unusual vehicle handling when plugs or components are disconnected.
- Never disconnect/connect plugs when the vehicle is in motion or drive the vehicle with plugs disconnected.
- Drive only with all components fully installed and connected.
Danger of personal injury from lowering vehicle independently when working on and underneath the vehicle.
Danger of personal injury from moving vehicle independently with gear engaged and engine running.
- Before starting the engine in a vehicle with manual transmission, take the vehicle out of gear and put the hand brake on firmly.
- Before starting the engine in a vehicle with automatic transmission, move the selector lever to position 'P' and put the handbrake on firmly.

CAUTION:
Danger of injury and material damage if the wheel carrier is raised incorrectly.
- Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels). When raising, use a suitable intermediate layer (hard rubber).
- Do not damage the brake cover plate or brake hoses.
Danger of damage due to improper handling of batteries and control unit plug connections.
- Never disconnect battery with engine running
- Never start engine if battery terminal clamps are not connected securely
- Never pull off or push on plug connections for the control units or other electronic components when the ignition is switched on.
- Always disconnect the negative terminal of the battery and pull off all plug connections to the vehicle electrical system control unit when carrying out welding work on the vehicle.