Sol-Candy,
I also had a torn rotator cuff. They initially had me do physical therapy, and when that didn't help, they did an MRI. I recently had shoulder surgery to repair a 75% tear in my right rotator cuff. It was outpatient surgery at least. The Dr. indicated I could be out of work for up to 3 months, but I only stayed out 4 days. Both my truck and Solstice are standards. My wife's car is an automatic but she's can't drive a standard. I drove for over 2 months, shifting with my left hand. It just takes a little planning ahead. No shifts while turning and give yourself a little extra room. At least with me, after the surgery I was allowed to grip with my right hand as long as I didn't put any weight or pressure on the shoulder itself.
I hope you heal completely without surgery. If not, go out to a little used road with your husband and try shifting left handed. You may find it easier than you expect. Good luck!
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2008 Sly 2.4L
Mods: GM catback exhaust, CAI, de-badged, custom door handle backings, black painted calipers, splash guards, seat back swap, waterfall organizer, custom gauge pod with Dakota Digital oil pressure, voltmeter and temperature gauges, Vector tune, shortened antenna, padded, leather covered center console, JPM shifter.
Upcoming Mods: Solo Hi flow cat and shorty headers (Dec). Stainless steel mesh grill, Norm's finned rear fascia, Norm's fenders.