- do not touch the ignition cable when the engine is running and when starting the engine with a starter.
- Disconnect the electrical wires of the ignition system only when the ignition is off. When the ignition is turned on, a high-voltage shock can be obtained by shaking the ignition distributor.
- connection and disconnection of measuring instruments (tachometer, tester) can only be done with the ignition off.
- Do not connect an interference suppressing capacitor or test lamp to the earth terminal of the ignition coil.
- do not connect measuring instruments and a stroboscope to the positive contact of the ignition coils when the engine is running.
- it is impossible to install an ignition coil of another design in the system.
- do not heat the car to a temperature above + 80°C (e.g. painting, steaming). The engine can only be started after the vehicle has cooled down.
- The vehicle may only be washed after the ignition has been switched off.
- when performing welding work on a car, it is necessary to disconnect the battery.
- persons with a pacemaker are not allowed to work with the electronic ignition system.