Help with a Vectra on stereo/screen/wheels

[Oz]

Great wallpaper El B.

The wheels on that Astra you have as wallpaper are the 18" version snow flakes as they are six spokes. The 19's are five spoke jobs.

[Dave]

can-bus ? please explain

[stevedee3]

can-bus ? please explain

CAN is Controller Area Network. It a serial data bus that hooks up all the various computers in the car (a little bit like a car's version of USB).

[Clint]

but not used specifically for cars, the can bus is a widely used standard used in many electronics