Does a 2011 Mazda cx-7 have a inertia switch? If so where is it located?

SOURCE: 2001 sl2 saturn inertia switch

if you are refering to a inertia switch like on a ford that kills the fuel pump in a crash, the saturn does not have one

SOURCE: locatio of inertia switch 1990 lincoln town car

Check just above the carpet on the passenger side where your feet go under dash.

SOURCE: inertia switch

hallo
i belive it does not have one. you have only engine control reley(K46) engaged by ECU and fuse(F28)
Marko

SOURCE: e-150 fuel pump inertia switch location

on some fords it is on pass side kick panel you have to feel in a hole and you will feel a reset button,hope this helps

SOURCE: On a 2008 Mazda CX-7 Where is the Oil filter

Unless the CX-7 is different from all other cars I've driven, the filter is a cylindrical painted metal can, about 3 or 4 inches in diameter and 3 to 6 inches long. It can any color, depends on the brand. Go to an auto parts store and ask them for one for your vehicle, and look at it. Different vehicles take different sizes.
It is almost always located on the side of the engine block, between the oil pan on the bottom and the cylinder heads on the top. (You generally have to put the car up on ramps to reach it from the bottom, but I assume you are changing the oil, so you have to get under it to remove the oil drain plug as well.)
When you remove it, be careful for oil that may leak out of it as you are unscrewing it.