For starters, the following Hyundai SmartSense driver-assist features below are standard on all four trim lines of every 2020 Sonata (and the last is standard on the trims above SE that account for 85-90 percent of Sonata sales):
- Stop and go adaptive cruise control (Hyundai’s term: “advanced smart cruise control”)
 - Forward collision warning, auto emergency braking, pedestrian detection (“forward collision-avoidance assist with pedestrian detection”)
 - Auto high beams (“automatic high beam assist”)
 - Lane keep assist (steers the car back from the lane edges)
 - Lane centering assist (“lane follow assist”)
 - Driver drowsiness detection (“driver attention warning”)
 - Dynamic backing guidelines for the (federally mandated) rearview camera
 - (SEL, SEL Plus, Limited:) Blind-spot detection (“blind-spot collision avoidance assist”) / rear cross-traffic alert (“rear cross-traffic avoidance assist”)
 















