What does code 4 mean vauxhall astra?

In a Vauxhall Astra, "Code 4" typically refers to a diagnostic trouble code indicating a specific fault or issue within the vehicle's systems. This code can vary based on the model year and the specific onboard diagnostic system in use. To determine the exact meaning of Code 4 for your Astra, it's best to consult the owner's manual or use an OBD-II scanner for more detailed information.