Originally Posted By: MrHorspwer
"Service Vehicle Soon" does not equal "Service Engine Soon". An SES light is an OBD2 emissions concern; a SVS light (or message) is typically a non-OBD2 powertrain DTC or a body DTC. If it is a body DTC, your local AutoZone isn't going to have the capability to read the DTC. You will likely need a Tech 2.
Shot in the dark here... make sure all your exterior lamps and DRLs are functioning. Are you having any problems with the fuel gauge? Tire pressure low or mismatched tire sizes? Anything going on inside the car: courtesy lamps not illuminating, power door locks not functioning properly, etc.?
edit: Just saw that you had your coolent serviced. Make sure the coolent level is properly topped off in the resevior. If it has a pressurized coolant tank, give it a couple sharp taps. Sometimes the level sensor gets stuck at the bottom when the coolant is drained.
Where is the level sensor for the coolant?? The recovery tank is not pressurized btw and all fluid levels, lights and accessories appear to be working.