OSHAWA, Ont. - General Motors says it will invest $117 million to prepare its assembly plant in Oshawa, Ont. to build the new Cadillac XTS.

The automaker says the move will create or save 400 jobs on the company's flexible assembly line in Oshawa.

The Oshawa assembly plant has had major changes in the last year, with new vehicle models and expanded production that has added two new shifts and 1,300 jobs.

The Oshawa plant builds many GM models and employs more than 4,500 people.