Making equipment selectable
For example, you create two Katergorien : luxury and safety and divides them into 10 years steps .
example
1940 - 1950
luxury
- Glove compartment
- cigarette lighter
- ashtray
- Analogue
- FM Radio
security
- Mechanical Winker
- Electromagnetic Winker
- Mauelle horn
- Windscreen wipers
- Seat belts
- Rear-View Mirror
1951- 1960
luxury
- Electric windows
security
- Electric lights
etc.
In order to better obstruct this standard DOCUMENT FOR FUTURE generation of vehicles you can do this then click or click away as standard equipment in 1940 , 1950 ... click so similar to a installtion program .