Dude, look at how many threads you have started. Alot of these questions you have, could be answered by doing some research on vfaq.com like willsj7 suggested or even by doing a simple search. There is a wealth of information pertaining to DSMs on the internet. Why am I telling you this you ask? Because, not ONLY will you most likely find the answer to the question that you are looking for, but you can also read up on some other things about your car and learn some new things. In the end, you will know more about your car in general and in the times when you need to.