Here are the steps. 1  Turn your vehicle to the âOnâ position using your key fob. 2  Insert the DVD disc into your carâs CD player. 3  Follow the on-screen prompts and let the DVD software update the system.  Remove the DVD kit when it is complete, you have successfully upgraded your navigation 1  system. Turn the vehicle to the âOffâ position.
Our History. Overview. Westlake Chemical was founded in 1986 by T. T. Chao, a pioneer in the global petrochemical industry, with the acquisition of a polyethylene plant in Lake Charles, Louisiana.
Westlake Chemical Corp. manufactures and markets petrochemicals, polymers and fabricated building products. It operates through the Olefins and Vinyls segments. The Olefins segment manufactures ethylene, polyethylene, styrene, and associated co-products at the manufacturing facility in Lake Charles and polyethylene at the Longview facility.