2011 Nissan Altima Owner's Manual - Page 316

CAUTION ● Never place anything except the Intelligent Key in the Intelligent Key port. Doing so may cause damage to the equipment. ● Make sure the Intelligent Key is in the correct direction when inserting it to the Intelligent Key port. The engine may not start if it is in the wrong direction. ● Remove the Intelligent Key from the Intelligent Key port after the ignition switch is pushed to the LOCK position. WSD0232 WSD0233 NISSAN INTELLIGENT KEY™ BATTERY DISCHARGE If the battery of the Intelligent Key is almost discharged, the guide light A of the Intelligent Key port blinks and the indicator appears on the vehicle information display. See "Vehicle information display" in the "Instruments and controls" section. In this case, inserting the Intelligent Key into the port B allows you to start the engine. Make sure the Intelligent Key is placed in the correct direction: The front side faces upward and the key ring side faces downward as illustrated. To remove the Intelligent Key from the port, push the ignition switch to the LOCK position and pull the Intelligent Key out of the port C . NOTE: The Intelligent Key port does not charge the Intelligent Key battery. If you see the low battery indicator, replace the battery as soon as possible. See "Battery replacement" in the "Maintenance and do-ityourself" section. NISSAN VEHICLE IMMOBILIZER SYSTEM The NISSAN Vehicle Immobilizer system will not allow the engine to start without the use of the registered key. If the engine fails to start using a registered key (for example, when interference is caused by another registered key, an automated toll road device or automatic payment device on the key ring), restart the engine using the following procedure: 1. Leave the ignition switch in the ON position for approximately 5 seconds. Starting and driving 5-9