7 quarts of coolant will fill your sl2
A 1995 Saturn SL2 will hold 7 quarts of coolant. Saturn vehicles are no longer made but can still be serviced by GMC dealerships.
4.0 QTS
2 pounds
coolant capacity for the 96 Saturn SC2 is 7 quarts, almost 2 gallons.
The sensor is threaded into the coolant passage in the back of the cylinder head.
http://youtube.com/watch?v=EiGPM5csf5I
Start by replacing the Engine Coolant Temperature Sensor
Low engine coolant
You need coolant.
Refer to the link below
Check your coolant level
1993 Saturn sl2