Hi everyone, Can you help me diagnose what the problem is with my 1.9 litre diesel as I have a combination of warning lights that have come on at the same time today when the engine was started. The warning lights are: (Amber) Glow plug system (Amber) ABS (Anti-lock brake system) (Red) Fault in brake system (Red) Airbag system (Red) Electro-mechanical Power steering The word 'dEF' also appears above the milometer The car recently had a major service about a week ago. Symbols here: Warning And Indicator Lamps - Audi A3 Quick Reference Manual [Page 15]