Originally Posted by Chris
With every car I have driven that has an electronic handbrake you cannot release the handbrake by pushing a button, it releases automatically when you pull away.
On the Disco, RR's and Jaguars, for instance, to release
the handbrake the key has to be in the ignition, the engine has to be running, your foot has to be on the footbrake and then you hit a switch, or, as Chris says, with the engine running and in gear you just hit the throttle and it releases automatically.
I'm not aware any other manufacturer does it significantly differently