Final answer:
To turn ProPILOT Assist On, press the dedicated ProPILOT button on the steering wheel of a Nissan vehicle equipped with ProPILOT Assist.
Step-by-step explanation:
To turn ProPILOT Assist On, you need to press the dedicated ProPILOT button located on the steering wheel of a Nissan vehicle equipped with ProPILOT Assist. This button usually has a blue icon that resembles a vehicle driving with a dotted line representing the road ahead. Pressing this button activates the ProPILOT Assist system, which provides advanced driver assistance features such as adaptive cruise control and lane centering.