What are the subsystems of a automobile?

Answer 1

• engine
• carburetor or fuel injection
• fuel pump
• engine configuration: Wankel or reciprocating (V, inline, flat).
• engine management systems
• exhaust system
• ignition system
• self starter
• emissions control devices
• turbochargers and superchargers
• front engine
• rear engine
• mid engine
• Ancillary power - mechanical, electrical, hydraulic, vacuum, air
• drivetrain
• transmission (gearbox)
• manual transmission
• semi-automatic transmission
• fully-automatic transmission
• Layout
• FF layout
• FR layout
• MR layout
• RR layout
• Drive Wheels
• 2 wheel drive
• 4 wheel drive
• Front wheel drive
• Rear wheel drive
• All wheel drive
• differential
• limited slip differential
• axle
• Live axle
• brakes
• disc brakes
• drum brakes
• anti-lock braking systems (ABS)
• wheels and tires
• custom wheels
• steering
• rack and pinion
• Ackermann steering geometry
• Caster angle
• Camber angle
• Kingpin
• suspension
• MacPherson strut
• wishbone
• double wishbone
• multi-link
• torsion beam
• semi-trailing arm
• axle
• body
• crumple zones
• monocoque (or unibody) construction
• suicide doors
• spoiler
• interior equipment
• passive safety
• seat belts
• airbags
• child safety locks
• dashboard
• shifter for selecting gear ratios
• ancillary equipment such as stereos, air conditioning, cruise control, car phones, positioning systems, cup holders, etc.
• exterior equipment
• windows
• Power window
• windshield

And me, the nut behind the wheel.