In article ,
Scott M wrote:
harry wrote:

NOT a good idea on some modern cars.
The on board computer may loose it's program if disconnected.

Is there, literally, anything you're not wrong about?

OBC usually refers to a user 'computer' on the car that does things like
MPG and journey times, etc. The ones which control the engine etc more
commonly called an ECU. (electronic control unit)

It's quite possible a flat battery can cause some things to be lost. Maybe
the radio station memory. But a very poor design if it is anything
important.

Many ECUs do 'learn' how the car is driven to some extent. But should
default back to the factory settings if the battery is disconnected for
some time. And quickly learn again. The ECU controlling an auto gearbox
being the obvious one. But in any case updates quickly if you alter your
driving style.

--
*A bicycle can't stand alone because it's two tyred.*

Dave Plowman London SW
To e-mail, change noise into sound.