Published and reviewed: 29 July 2026
Read the message
Record the exact symbol, wording, colour, sound and operating conditions. The vehicle handbook can explain the intended response.
Stop when safety may be affected
Oil pressure, overheating, brake, steering, charging, high-voltage or serious power-loss warnings may require safe stopping and qualified help.
A code is not the failed part
Fault codes describe detected conditions. Diagnosis may require live data, electrical testing, mechanical checks and confirmation.
Intermittent warnings matter
A light that disappears can leave stored information. Record when it happened and avoid clearing codes before assessment.
Keep the report
Retain codes, findings, work and confirmation results. Return promptly if the warning recurs.
Your next step
Use the service hub to prepare the right vehicle details, understand fulfilment options and create a focused list of questions before contacting a provider.