See also:

Fluids
Proper fluid levels and approved fluids protect the vehicle’s systems and components. See Recommended Fluids and Lubricants for GM approved fluids. • Engine oil and windshield washer ...

Engine Coolant Heater
The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant he ...

When the Change Engine Oil Soon Message Displays
Change engine oil and filter. See Engine Oil . An Emission Control Service. When the CHANGE ENGINE OIL SOON message displays, service is required for the vehicle as soon as possible, within the next ...