Yes, most GM cars can use full synthetic oil instead of Dexos oil. Full synthetic oil is made with high-quality base oils and additives that… Read More »Can I Use Full Synthetic Oil Instead of Dexos?
Yes, you must use Dexos oil in GM cars that require it. Dexos oil is a type of oil that is specifically designed for General… Read More »Do You Have to Use Dexos Oil in GM Cars?
Generally, Valvoline allows you to use one coupon per vehicle/service. However, this may vary depending on the specific coupon and the location of the Valvoline… Read More »How Many Coupons Can You Use at Valvoline?