The 2018 GMC Sierra 3500HD Denali is equipped with check rear seat reminder, vibrating driver seat pre-collision warning system, audible warning pre-collision warning system, visual warning pre-collision warning system, lane deviation sensors, rearview camera system, front side airbags, rear side curtain airbags, front side curtain airbags, front parking sensors, rear parking sensors, 4-wheel abs, anti-lockout power door locks, auto-locking power door locks, programmable safety key, trailer stability control, ventilated disc rear brake, alarm anti-theft system, 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 emergency locking retractors, roll stability control, front seatbelt warning sensor.