Why is there no engine oil temperature gauge in Jaguar XF?

high tech car usually dont have engine oil temperature gauge....because once the engine oil is really low..it will give u warning....Jaguar XF is a performance car and it will alwiz be ,maintain at a high tech service centre and the technician will check it for u and u dun have to worry bout it,..Jaguar is all bout computerized diagnostic....hope this help u my fren