How to check the transmission fluid?

It is hard to know for sure if this process is going to be the same just because we are not sure the transmission is the same year but I doubt it will be much different.

Just in case, here is a guide that talks about servicing the unit in more general terms:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Below is the process from the manual on this specific vehicle. Please run through this process and let us know if you have other questions. Thanks

Hello,

Just about all of these GM vehicles uses DEXRON III transmission fluid for Automatic transmissions.
Fluid Capacity:
Bottom Pan Removal .................... 6.9 quarts (6.5 liters)
Complete Overhaul .................... 9.5 quarts (9.0 liters)
Dry .................... 12.9 quarts (12.2 liters)

Here is a guide you might find helpful:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

I have also included the transmission fluid checking/replacement procedure.
Let me know if you have any questions.
Thank you.