2008 Infiniti QX56 Owner's Manual - Page 280

IGNITION SWITCH ● Whenever you drive off-road through sand, mud or water as deep as the wheel hub, more frequent maintenance may be required. See "Periodic maintenance" in the "INFINITI Service and Maintenance Guide." WARNING Never turn the ignition knob to the LOCK position while driving. The steering wheel will lock. This may cause the driver to lose control of the vehicle and could result in serious vehicle damage or personal injury. LSD0171 INTELLIGENT KEY SYSTEM The ignition lock is designed so that the ignition switch cannot be turned to LOCK until the shift selector lever is moved to the P (Park) position. When turning the ignition switch, make sure the shift selector lever is in the P (Park) position. If the shift selector lever is not returned to the P (Park) position, the ignition switch cannot be moved toward LOCK. When the ignition switch cannot be turned toward the LOCK position when the Intelligent Key is in range, proceed as follows: 5-8 Starting and driving