Where is the 2016 Equinox battery location?

My exhaust has been smelling of sulfur lately, and my mechanic says it might be the catalytic converter. I’m worried that it’s going to be really expensive to repair. Can you tell me what repairing or replacing an Acura RL catalytic converter costs?

Are Toyota 4Runners reliable cars? I want a vehicle that will last for a lot of miles because I’m planning to live out of my car for a year or two once I graduate from college.

I have an older car, so unfortunately, the only way I can listen to music is through an AUX cord. While it’s usually fine, it recently stopped working. I need to fix it ASAP, because I hate driving in silence. What can I do to fix an AUX port in a car?