From the Sky news site. Not noted for any remain bias.

Gianluca de Ficchy said the decision was a mixture of investment needed for emissions regulations and reduced sales forecasts but added uncertainty over Brexit had also played a part.

Repeated verbatim with no need for further comment.

The article also states

Nissan has told staff in Sunderland the company will not make the new X-Trail there, as previously planned.

The production was previously planned for Sunderland and it no longer is. The European division chief states quite clearly that brexit "played a part" in the decision to move production. Brexit has played a part in loosing work in Sunderland. QED.