That's assuming the bottle jack does fit under the seat???
Sound advice about a bigger footing for the jack and that additional height has to be taken into consideration as well. Also, something to block a tire with...
I think a basic bottle jack will fit uner the rear seat (crew cab, at least.)
It has been mentioned elsewhere but I still didn't check it out, that our trucks come standard with some metal stamped wheel chocks that are stored with the OEM jack tools. So, you should be good there - otherwise I would also have suggested two additional blocks of wood.
2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover.