^
Even if its not mandated by law, those tools mentioned should be inside your car. Why? You'll never know when and where your car will break down. Every car is subjected to break down of parts, whether brand new or old ones. Yun nga lang, less prone ang brand new. Tsaka, a driver should be responsible enough to learn kahit yun basic repairs lang at hindi dapat i-asa ang lahat sa casa.

Regarding the wrenches, these are the basic sizes: 10, 12, 13 (for the battery usually), 14, 17. There's 1 set of these sizes available.

To put it simply, mas mabuti na meron kang mga gamit at hindi mo masyado gagamitin kesa sa wala kang mga gamit when the inevitable happens.