You can't mention equipping your girlfriend without mentioning shoes! <img src="/images/graemlins/smile.gif" alt="" /> Depending on what she typically wears, like for work everyday, you could throw in a pair of old but well broken in flat shoes in case she needs to walk someplace. Even lugging the spare tire out of the trunk in heels could easily break something--either on the shoe or in her ankle.

A change of clothes could be added. But if it's just to keep dirt and grease off the clothes, I suppose the poncho could be used. But as a guy, even I'd feel rather dorkish changing a tire on a sunny day with a poncho thrown over my office outfit.

Cell phone charger that you can plug into the car. Even if there's no signal anyway, psychologically, I think it feels really lonely to have a dead cell phone in your hand when something goes wrong. And it makes you feel anxious seeing your cell battery charge getting lower after having multiple phone conversations during some long drawn out breakdown somewhere. And throw in some change to make a call in case there's a payphone nearby but no cell signal.

Dry chem extinguisher? But if all her emergency gear burns up, oh well, just another chance for you to put together a new one. <img src="/images/graemlins/wink.gif" alt="" />