On every 3000 miles or the frequency of each three months, some drops of light oil or lock lubricant on the hinges and latch assembly on the doors, the
Hood and the trunk. All door latch strikers should be greased to reduce on wear and should also be greased thinly so that they can open and close smoothly. It is also recommended to spray the door and the trunk locks with the spray-on graphite lubricant.