is it possible to describe a car to be obtuse?

ob·tuse:
Lacking quickness of perception or intellect.
Characterized by a lack of intelligence or sensitivity: an obtuse remark.
Not distinctly felt: an obtuse pain.

Not sharp, pointed, or acute in form; blunt.
Having an obtuse angle: an obtuse triangle.
Botany. Having a blunt or rounded tip: an obtuse leaf.