RECALL NOTICE: Some vehicles offered for sale may be subject to unrepaired manufacturer safety recalls. To determine the recall status of a vehicle, visit https://www.nhtsa.gov/recalls.Certified. **HEAD-UP DISPLAY**, **LOCAL TRADE-IN**, **LOCALLY OWNED AND SERVICED**, **FOUR WHEEL DRIVE**, **TECHNOLOGY PACKAGE**, **BOSE AUDIO SYSTEM**, **BACK UP CAMERA**, **LEATHER SEATS**, **SUNROOF**, **REARVIEW CAMERA**, **NAVIGATION SYSTEM**, **KEYLESS ENTRY**, **APPLE CARPLAY**, **REMOTE ENGINE START**, **BLUETOOTH, HANDS-FREE**, **KEYLESS START**, **PREMIUM WHEELS**, **PREMIUM SOUND SYSTEM**, **ANDROID AUTO**, **SATELLITE RADIO**, **STEERING WHEEL CONTROLS**, **ALARM SYSTEM**, **BED LINER**, **RUNNING BOARDS**, **TOW PACKAGE**, Sierra 1500 AT4, 4D Crew Cab, 3.0L I6, 4WD, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, Adaptive Cruise Control, Apple CarPlay/Android Auto, AT4 Preferred Package, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Auto-Locking Rear Differential, Automatic Emergency Braking, Automatic temperature control, Bed View Camera, Black Chrome Header & Grille Insert Bars, Block heater, Buckle to Drive, Compass, Deep-Tinted Glass, Delay-off headlights, Driver Memory, Electrical Steering Column Lock, Emergency communication system: OnStar and GMC connected services capable, Engine Block Heater, Following Distance Indicator, Forward Collision Alert, Front Bucket Seats, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front Prem Floor Liners w/Removable Carpet Insert, Fully automatic headlights, GMC Connected Access Capable, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated front seats, Heated steering wheel, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering App, Integrated Trail