Silicone Spray... Heavy duty lubricant for a wide range of demanding uses... Silicone spray is excellent for a wide range of uses within the automotive industry such as lubrication of locks, hinges, door seals, window channels, aerials, speedometer cables and battery terminals. It can also help in the waterproofing and protection of ignition cables and most other electrical parts i.e coils, distribution caps etc.. The use of silicone is especially ideal where it is necessary to have clean and yet effective lubricating applications.