Service Vehicle Soon Light
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of GENERAL MOTORS CORP.
The Service Vehicle Soon (SVS) lamp will come on when certain transmission diagnostic DTCs are present. The SVS lamp will be cleared when the DTC is cleared and the fault is removed.