Safety Precautions When Working On Ignition System
WARNING: This page is about a different car, the 2025 Audi A4 allroad and 2025 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Risk of injury due to electrocution
The ignition system is under high voltage when the engine is running. It is possible to be electrocuted by touching the ignition system.
-- Do not touch ignition wires when the engine is running or turning at cranking speed.