See also:

Door Latches
Check for positive closing, latching, and locking. ...

Winter Operation
Use of the air Recirculation Mode during winter months is not recommended because it may cause window fogging. ...

Automatic Door Locks — If Equipped
The auto door lock feature default condition is disabled. When enabled, the door locks will lock automatically when the vehicle’s speed exceeds 15 mph (24 km/h). The auto door lock feature can ...