2009 Nissan Titan Crew Cab Owner's Manual - Page 146

LPD0265 LPD0242 3. Open the door to the desired position. CHILD SAFETY REAR DOOR LOCK (Crew Cab models only) Child safety locks help prevent the rear doors from being opened accidentally, especially when small children are in the vehicle. The child safety lock levers are located on the edge of the rear doors. When the lever is in the lock position, the door can be opened only from the outside. 3-6 Pre-driving checks and adjustments