2010 Jeep Wrangler Owner's Manual - Page 15
2010 Jeep Wrangler Manual
Page 15 highlights
14 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE NOTE: If you turned the wheel to the right to engage NOTE: A key that has not been programmed is also the lock, you must turn the wheel slightly to the right to considered an invalid key, even if it is cut to fit the disengage it. If you turned the wheel to the left to engage ignition switch lock cylinder for that vehicle. the lock, turn the wheel slightly to the left to disengage it. During normal operation, after turning on the ignition switch, the Vehicle Security Light will turn on for three SENTRY KEY The Sentry Key Immobilizer System prevents unautho- seconds for a bulb check. If the light remains on after the rized vehicle operation by disabling the engine. The bulb check, it indicates that there is a problem with the system does not need to be armed or activated. Operation electronics. In addition, if the Vehicle Security Light is automatic, regardless of whether the vehicle is locked begins to flash after the bulb check, it indicates that someone used an invalid key to try to start the engine. or unlocked. Either of these conditions will result in the engine being The system uses ignition keys that have an embedded shut off after two seconds. electronic chip (transponder) to prevent unauthorized vehicle operation. Therefore, only keys that are pro- If the Vehicle Security Light turns on during normal grammed to the vehicle can be used to start and operate vehicle operation (vehicle running for longer than 10 secthe vehicle. The system will shut the engine off in two onds), it indicates that there is a fault in the electronics. seconds if someone uses an invalid key to try to start the Should this occur, have the vehicle serviced as soon as possible by an authorized dealer. engine.