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.
Harmful Effects of Chemicals of Concern. Which toxic chemicals in Puget Sound are most dangerous? This isnât an easy question to answer since different chemicals cause harm in different ways and to different organisms. The hazard any given chemical poses depends on how toxic it is and how much enters the Puget Sound environment.