The 2017 Audi A4 Ultra Premium Sedan 4D is equipped with front automatic emergency braking, audible warning pre-collision warning system, visual warning pre-collision warning system, dual front knee airbags, rearview camera system, front side airbags, rear side curtain airbags, front side curtain airbags, regenerative braking system, 4-wheel abs, emergency braking preparation, auto-locking power door locks, brake drying, hill descent off-road driving assist, electronic parking brake, ventilated disc rear brake, braking assist, hill holder control, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, power brakes, latch system child seat anchors, electronic brakeforce distribution, stability control, traction control, in dash rearview monitor, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front seatbelt force limiters, front emergency locking retractors, post-collision safety system impact sensor, rear seatbelt pretensioners, door unlock impact sensor, rear emergency locking retractors, front seatbelt warning sensor.