For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition
65 WarningApproximate Fluid Capacities
The following approximate capacities are given in US English and metric conversions.SeeFluid and Lubricant Recommendationsfor more information. All capacities are approximate. When adding, be sure to fillto the approximate level, as recommended in this manual. Recheck fluid level afterfilling.Applic ...