Capacities and Specifications
The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants on page 11‑12 for more information.
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.




See also:
Hitches
It is important to have the correct hitch equipment. Crosswinds, large trucks going by, and rough roads are a few reasons why the right hitch is needed.
• The rear bumper on the vehicle is not inte ...
Reactivation for Subsequent Owners
Push and follow the prompts to speak
to an Advisor as soon as possible after acquiring the vehicle. The Advisor will
update vehicle records and will explain the OnStar service offers and options ...
Engine Coolant Heater
The engine heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below −18°C (0°F). Vehicles with an engine heater should be plugged ...





