Some models of the pontiac grand am have a computer system that lets the driver know when regular service is needed the service should be performed as soon as possible once the indicator light comes on the computer monitors driving conditions to make the determination when to illuminate the reminder light many . This is a video of the service vehicle soon light for gm light carsmost commonly mistaken for the service engine soon light these are common and thought id. Youre signed out videos you watch may be added to the tvs watch history and influence tv recommendations to avoid this cancel and sign in to youtube on your computer cancel confirm switch . The pontiac grand am has a service engine soon ses light and that is what is commonly read with a hand held scanner at parts stores the codes are kept in the engine control unit ecu the pontiac grand am also has a service vehicle soon svs light that indicates a problem with the circuits associated with the body control module bcm