Hi Chucky,
Looks like your engine calls for a 5W-30. This will also operate just fine in your temperature range.
Here is a guide that will help with changing the oil on this vehicle.
This is just a general guideline on how to do it so it is not going to look the same as your vehicle but the process is the same.
https://www.2carpros.com/articles/how-to-change-engine-oil-and-filter
Below you will find the process from the manual on a similar engine. We don't have a manual on this exact engine but this is going to look very similar to your vehicle.
Please let me know if you need anything else. Thanks
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Monday, July 1st, 2019 AT 6:43 PM