The push and pull is available in the interface, in the "by motor" or in the machanical version.
In the interface version the use of the accelerator pedal can be restored at any moment by pressing a switch placed on the dashboard, in the "by motor" and mechanical ones the original accelerator pedal stays always active.
In the interface and "by motor" versions the device is provided with a safety system that makes the acceleration return automatically at idle when the brake is applied.
The push and pull is CE marked. The interface and "by motor" versions have passed the EMC tests.