Question

question 14
check all that apply: the traction control system is designed to
stop the vehicle on an icy road
help ensure proper contact of tires
slows down the engine to regulate spinning
do nothing
question 15

Explanation:

The traction control system aims to optimize tire - road contact and manage wheel spin. It doesn't stop the vehicle on an icy road (that's more the job of brakes). It helps ensure proper contact of tires with the road surface and can slow down the engine to regulate spinning to prevent wheel - spin. It definitely doesn't do nothing.

Answer:

help ensure proper contact of tires, Slows down the engine to regulate spinning