2009 enclave

I have recently bought a Buick enclave and it has quite a few issues and I was hoping to get some help troubleshooting them. the problems are the ABS, traction control, StabiliTrak, and all-wheel drive is off all of these problems have shown up on my dash and I don't know how to fix the...

Halo! First off, I LOVE my car. We purchased used, less than a year ago. In December it became undriveable. It will not accelerate in reverse, or shift above 2500 rpms. We just now had it towed in to the transmission shop and were told the 3-5-reverse wave plate needs replaced and is going...