the service engine light has come on the last 3 or 4 times i've driven the car. today, i started it up to leave. it started just fine. i put it in reverse and the car barely moved. i switched to drive forward and still, it barely moved engined reved up and it did move but only barely. my husband tried to check the transmission fluid but can not find where to check. i've read on some websites that there is no dipstick. is this the case? if not, kindly tell me where to look for the dipstick, thank you!