Approximately every 3000 miles or time 3months, a few drops of light oil or lock lubricant, must be put on the hinges and latch assemblies on the doors,
Hood, and trunk. In other considerations, the door latch strikers should be lubed to a thin layer to reduce the amount of ware and friction that occur at every turn. Spray-on graphite lubricant should also be sprayed on the door and trunk locks for reducing the wearing out process.