A deal will also set a general pattern for contracts at GM and Ford.
Talks expected to be contentious because Big Three are healthy and making money.
Small pickup could be made near Detroit.
Marchionne says people should get the same pay for the same work.
The union wants pay raises for longtime workers and new product guarantees, while the automakers look to trim costs.
UAW says it sacrificed in previous contracts and workers now deserve pay raises.
US President wants fast track powers to offer trade proposals that Congress can ratify or reject, but not change.
Rival union wants to prevent the UAW from gaining bargaining rights for the first time.
Filing comes as the union works toward gaining collective bargaining rights at its first foreign-owned plant in the South.
Williams under pressure to end a second level of wages starting at $15/hour.
Is the union preparing to launch another salvo in the US deep south?
Transitioning to higher bracket after hiring surpasses wage caps.
Contract talks open with Fiat Chrysler, Ford and General Motors this summer.
Entitle the union to biweekly discussions with managers and frequent access to the plant.
The automaker stopped UAW supporters from handing out literature inside the plant.