2021 Chevrolet Colorado Owner’s Manual — Doors

On vehicles with a lock on the tailgate, use the key to lock or unlock the tailgate.

If equipped, to lock or unlock the tailgate, use the RKE transmitter or the key. See Remote Keyless Entry (RKE) System Operation 0 9

Open the tailgate by lifting up on its handle while pulling the tailgate down.

To shut the tailgate, firmly push it upward until it latches.

After closing the tailgate, pull it back to be sure it latches securely.