Originally it would have had DexCool. A 50/50 mix would protect the engine from freezing down to -34 degrees F.
Dexron 3.
1999 Chevy what? What kind of 1999 Chevy. different models have different sensor positions
prestone
Dextron II fluid.
dot3
5w30
Dextron II .
DEXRON II
DOT3
synchromesh its a dealer only fluid.
I have a2005 malibu and it has electronic steering no fluid needed
Dexron. Automatic Transmission fluid