2011 Nissan Sentra Owner's Manual - Page 270

● If the battery of a vehicle equipped with the Intelligent Key system is discharged, the ignition switch cannot be moved from the LOCK position, even using the mechanical key or the valet key. Connect the jumper cables to another vehicle, as in the case of a discharged battery, and then the ignition knob can be moved from the LOCK position. Then, jump start the vehicle. WCE0054 WARNING Always follow the instructions below. Failure to do so could result in damage to the charging system and cause personal injury. 1. If the booster battery is in another vehicle, position the two vehicles to bring their batteries near each other. Do not allow the two vehicles to touch. 2. Apply the parking brake. Move the shift selector to N (Neutral) (manual transmission) or to P (Park) (CVT). Switch off all unnecessary electrical systems (lights, heater, air conditioner, etc.). 3. Remove the vent caps on the battery (if so equipped). Cover the battery with an old cloth to reduce the explosion hazard. 4. Connect the jumper cables in the sequence illustrated ( A , B , C , D ). In case of emergency 6-9