Chevrolet Silverado: Keys and Locks / Lockout Protection

If equipped, the ignition is on or in ACC/ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock.

If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check to the Keyless Access function (if equipped). If an RKE transmitter is detected and the number of RKE transmitters inside

has not reduced, the driver door will unlock and the horn will chirp three times.

Lockout Protection can be manually overridden with the driver door open by pressing and holding on the power door lock switch.

Open Door Anti-Lockout

If equipped, the Open Door Anti-Lockout is turned on and the vehicle is off, the driver door is open, and locking is requested, all the doors will lock and the driver door will unlock. The Open Door Anti-Lockout feature can be turned on or off. See Vehicle Personalization.