5 w 30 is what the manufacturer recommends but using 10 w 30 won't hurt. The lower the first number, the better is will run in cold weather.
It takes 5w30. Use synthetic blend.
Use the key??
For the V-6, it takes 5W30.
A 1998 Buick would use R134a refrigerant.
5w30 when its cold and 10w30 when its warm
5w30 any premium brand.
Try some 10w40.
Yes you can use 5W20 oil instead of 5W30. One is just thicker then the other. The 5W20 is better in the winter and the 5W30 is better in the summer.
mission impossible
Press "SET" and then use the keys on the bottom right of the radio.
Originally R-12 - should be converted to R134A
5w30 Any premium brand high detergent oil.