Warning lights are an indication that something needs to be fixed. To reset a change oil light, one needs to change the oil of the car, and check the fuse.
dealer does it, or use key fob
You can reset the computer in your H2 Hummer by disconnecting the ground cable from the battery. Leaves the battery cable disconnected for 10 seconds, and reconnect.
The directions are in your owners manual.
6 quarts according to my manual 5w-30
To reset the check engine light on a Hummer H3, the problem causing the check engine light should be repaired. If this does not fix the problem, the battery may need to be disconnected and re-connected.
You will need to drop the oil pan to change the oil pan on a Hummer 2. The oil pan is located in inside the oil pan. You also need to first drain the oil pan of the old oil before you drop the pan.
6 quarts
Hummer
Remove 2 skid plates under engine, oil filter is in front of engine above front skid plate with the Hummer logo on it.
yes these are the factory filters
At the very least, to fuel your Hummer.