| Group | Component area | |-------|----------------| | 1 | Engine | | 2 | Fuel system | | 3 | Exhaust / cooling | | 4 | Clutch / gearbox | | 5 | Brakes | | 6 | Steering / suspension | | 7 | Body (front/rear) | | 8 | Electrical / lighting | | 9 | Interior / HVAC |