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Safety precautions when working on vehicles with a start/stop system > < Safety precautions

Polo Mk5

When working on the fuel system
When working on the fuel system
When working on the fuel system please note the following:
  WARNING
Risk of injury due to pressurised fuel
t  Wrap a clean cloth around the connection before opening the fuel system. Then release pressure by carefully loosening the connection.
t  Wear protective gloves.
t  Wear eye protection.
Danger of scalding from very hot fuel.
t  In extreme cases, the temperature of the fuel and the fuel lines can reach 100 °C after the engine is switched off. Allow the fuel to cool down before disconnecting the lines - danger of scalding.
t  Wear protective gloves.
t  Wear eye protection.
Please note the following to avoid personal injury and damage to the injection and glow plug system:
t  Always switch off the ignition before connecting or disconnecting injection and glow plug system wiring or tester cables.
t  Switch off the ignition before cleaning the engine.
t  Entries are stored in the event memory of the engine control unit if electrical connectors were disconnected and the engine was started: Read event memory in vehicle self-diagnosis → Vehicle diagnostic tester.
  Caution
To prevent damage to the electronic components when disconnecting the battery:
t  Observe notes on procedure for disconnecting the battery.
t  Always switch off the ignition before disconnecting the battery.
–  Disconnect battery → Electrical system; Rep. gr.27.
   

Safety precautions when working on vehicles with a start/stop system > < Safety precautions