2008 Infiniti QX56 Owner's Manual - Page 147

Lockout protection When the power door lock switch (driver's or front passenger's side) is moved to the lock position with the key in the ignition and any door open, all doors will lock and then unlock automatically. This helps to prevent the keys from being accidently locked inside the vehicle. WPD0381 LPD0420 LOCKING WITH POWER DOOR LOCK SWITCH To lock all the doors without a key, push the door lock switch (driver's or front passenger's side), to the lock position 1 . When locking the door this way, be certain not to leave the key inside the vehicle. To unlock all the doors without a key, push the door lock switch (driver's or front passenger's side) to the unlock position 2 . CHILD SAFETY REAR DOOR LOCK 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. Pre-driving checks and adjustments 3-5