30000 MI or 48000 KM
CheckSupercharger Oil
Check the supercharger oil level and add the proper supercharger oil as needed (or every 36 months, whichever occurs first).
Inspect
Air Filter Element
Inspect engine air cleaner filter. If necessary, replace the filter. If vehicle is driven in dusty/dirty conditions, inspect filter at every engine oil change.
Replace
Oil Filter, Engine
Engine Oil
Change engine oil and filter as indicated by the GM Engine Oil Life System if equipped, (or every 3 months, whichever occurs first). Reset indicator.
Cabin Air Filter / Purifier
Rotate
Tires
A good time to check your brakes is during tire rotation. Whenever the tires are rotated, the Check Tire Pressure System (if equipped) must be reset.