Electronic device which can be attached to the steering wheel of a vehicle

The electronic device (100) has a housing (102), which has an electronic function unit (202). A fastening unit (106) is attached at the housing for fastening the electronic device at a steering wheel (120). The fastening unit has a holder (108), connected with the housing. Independent claims are also included for the following: (1) a steering wheel arrangement; and (2) a method for fastening an electronic device at the steering wheel.