Front: On my car (still waiting for the Ascent) i use a short piece of rope that i tied a loop into. I put the end with the knot under the hood with the loop hanging out. Works great. Below is an example, i'll try and get pictures of my set up tomorrow.
Rear: Do you have a hitch? Can you go down to the chain hooks?
Rear: Do you have a hitch? Can you go down to the chain hooks?