Originally Posted by
UrbanE
a bike shop should have what you need
Amazon too, search ultra thin 10 mm bike wrenches.
They might be a lot easier to locate if you guys would finally join the world and use the metric system.
Surely the cheapest way is to get your trunk opened as you will have to do that some time any way.
There are threads devoted to explaining how this is done and starts with the removal of a license plate light and pushing the latch inside the trunk lid. Easy peasy.