I have a 94 Honda Accord, automatic. I called my Honda service mechanic and asked for an estimate on a transmission flush and fill. The response I got was that the dealer doesn't do flush and fill, but a DRAIN AND FILL. Basically, is there a difference between flush and fill vs drain and fill? I've never dealt with transmission fluid ever in the lifetime of my car, only regular oil changes. I thought it was high time to change the fluid since it's been quite long time driven.