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.
The 10.75% sales tax rate in Westlake consists of 5.00% Louisiana state sales tax and 5.75% Special tax. There is no applicable county tax or city tax. The sales tax jurisdiction name is Calcasieu Parish/ward 1, which may refer to a local government division. You can print a 10.75% sales tax table here.