They had reversed the trail today (I'm not really sure why), so all of the paths were travelled in reverse. I was very distracted by the transmission issue and the thought of paying several $k for a transmission rebuild. This distraction proved painful as I ran into 3 trees. Thankfully, my kung fu practice came in handy as I deflected all but one of them. The worst run-in totally hooked my handlebar as I was going about 10mph (kinda fast for such a narrow trail). It didn't flip me over, but threw my shin into my pedal as my bike stopped and pulled to the left. I felt a slight dislocation of my left shoulder, too. It is fine now and I just have a little ding in my shin. It was quite a while before I thought again about my car situation. The rest of the ride, I was focused on riding, and didn't wreck anymore. In fact, I ended up passing a few riders, so I must have been going at a decent clip.
I got back to my car, packed up the bike, and started heading home very delicately in first through third gears. While stoped at a light, I put it in reverse, and it still went forward but difficultly, like it's in a high gear or something. Not wanting to break down far from home, I didn't test anything further until I was near home. While crossing the Trinity, I got it up to forth, then fifth gear. At that point, I had a moment of clarity when I realized that my dumb ass was putting it into fifth gear and not reverse (fifth is right-forward, reverse is right-back). I had a brain fart that ruined quite a bit of my morning. I'm not sure why it wouldn't go into gear while trying to park (I did try right-back, but it didn't go there). I feel like an idiot for forgetting how to shift gears after driving my car for 2 years now. Maybe it was driving the rental truck that screwed me up, it's only been 2 weeks or so since I got my car back. Anyways, I'm glad my car is fine, I just wish I hadn't worried about it during my ride.