Chevrolet 2007 Colorado Owner's Manual page 200

Automatic Door Locks
This feature allows you to program your door
locks to a preferred setting.
To set your choice for this feature, perform the
following steps:
1. With the engine off, turn the key to LOCK.
Do not remove the key from the ignition.
2. Press and hold the power door lock button
until the DIC display shows the current
door lock mode.
3. To view the next available mode, press and
hold the reset stem until the mode appears.
Release the reset stem and press and
hold again to view the next mode.
4. Once the desired mode is shown on the DIC
display, briefly press the reset stem to set
your choice. The DIC display then clears.
The following are the available modes:
Lock 1 (default): On vehicles with an automatic
transmission, this mode locks all of the doors
when the vehicle is shifted out of PARK (P) and
unlocks all of the doors when the vehicle is shifted
into PARK (P).
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On vehicles with a manual transmission, this
mode locks all of the doors when the vehicle
speed is greater than 15 mph (24 km/h) and
unlocks all of the doors when the key is removed
from the ignition.
Lock 2: On vehicles with an automatic
transmission, this mode locks all of the doors
when the vehicle is shifted out of PARK (P) and
unlocks the driver's door when the vehicle is
shifted into PARK (P).
On vehicles with a manual transmission, this
mode locks all of the doors when the vehicle
speed is greater than 15 mph (24 km/h) and
unlocks the driver's door when the key is removed
from the ignition.
Lock 3: On vehicles with an automatic
transmission, this mode locks all of the doors
when the vehicle is shifted out of PARK (P).
The doors will not automatically unlock.
On vehicles with a manual transmission, this
mode locks all of the doors when the vehicle
speed is greater than 15 mph (24 km/h).
The doors will not automatically unlock.