How To Parent Character Armature to vehicle Armature

Hi All, Im a Noob in Blender and would like to ask for help,
Im having a hard time figuring this out.

id like to make my character to ride a car, but when i parent the the character armature to the car armature.

bones will follow but the Mesh doesn’t follow or some of it goes wobbly.
can any body help :slight_smile:

Thank You