The invention provides a controller (200 see fig 2), comprising: environment input means (230 see fig 2) for receiving an environment signal indicative of a location of at least one feature in a vicinity of a vehicle (110 see fig 1a); control means (210 see fig 2) arranged to determine 415 the orientation of a defined manoeuvre completed position of the vehicle in dependence on the environment signal; and output means (240 see fig 2) for outputting a possible defined manoeuvre completed position signal in dependence on the determined orientation. Plural possible orientations may be notified 425. The invention provides suitability for achieving parallel, perpendicular or diagonal parking depending on the space available and may conveniently include communication with the user via a mobile phone, tablet, watch or wearable device.
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