Oil pan and/or pan gasket replacement on this vehicle has to be performed with the Factory Service Manual in hand. There are just simply too many steps, and too much detail to re-count it all here, not to mention the...
The dash lights could be on for a loose or broken ground wire to the chassis. Check all of the ground wires on the chassis and make sure that they are tight and clean. The moisture on the transfer case...
The first thing you'd want to do is have your alternator checked. It could be that the alternator is not charging the battery (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-alternator). It sounds pretty typical to me. If it's not that, you have a really bad wiring...
You may have a parasitic draw. This is when something is draining the battery while the car is off. Enlist the help of a YourMechanic technician to use a digital multimeter to test your vehicle for a parasitic draw. (https://www.yourmechanic.com/services/battery-will-not-hold-a-charge-inspection)...
To remove the drain plug, turn the plug counter-clockwise. You may need to use a "bolt-out" type socket to grip what remains of the head. In the event that the internal (in pan) threads are damaged and you need a...
If you went to a service center, in all probability the work that they performed is covered under a warranty of some sort. Additionally, if you paid by credit card, for sure you are covered if you have encountered a...
The most likely causes of this issue would be a faulty drain plug gasket or a loose drain plug. I would recommend having a qualified technician, such as one from YourMechanic, come to inspect your vehicle to diagnose the oil...