GMC Sierra Quiz
Keys, Doors, and Windows

Safety Locks

In this manual: Keys, Doors, and Windows
Introduction — 6In Brief — 46Seats and Restraints — 48Storage — 7Instruments and Controls — 75Lighting — 22Infotainment System — 22Climate Controls — 7Driving and Operating — 77Vehicle Care — 79Service and Maintenance — 26Technical Data — 8Customer Information — 25OnStar — 25Keys, Doors, and Windows — 38
~1min read

The vehicle has rear door security locks to prevent passengers from opening the rear doors from the inside.

GMS Sierra: Safety Locks. Open the rear doors to access the security locks on the inside edge of each door.

Test yourself

A quick GMC Sierra quiz: every answer comes with an explanation and a link to the manual page.