2013 Jeep Wrangler Owner's Manual - Page 18

16 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE NOTE: A key that has not been programmed is also Opening the driver's door when the key is in the ignition considered an invalid key, even if it is cut to fit the ignition switch lock cylinder for that vehicle. sounds a signal to remind you to remove the key. NOTE: The Key-In-Ignition reminder only sounds when During normal operation, after turning on the ignition the ignition key is placed in the LOCK or ACC position. switch, the Vehicle Security Light will turn on for three seconds for a bulb check. If the light remains on after the bulb check, it indicates that there is a problem with the SENTRY KEYா electronics. In addition, if the Vehicle Security Light The Sentry Key௡ Immobilizer System prevents unauthorbegins to flash after the bulb check, it indicates that ized vehicle operation by disabling the engine. The someone used an invalid key to try to start the engine. system does not need to be armed or activated. Operation Either of these conditions will result in the engine being is automatic, regardless of whether the vehicle is locked shut off after two seconds. or unlocked. If the Vehicle Security Light turns on during normal The system uses ignition keys that have an embedded vehicle operation (vehicle running for longer than 10 secelectronic chip (transponder) to prevent unauthorized veonds), it indicates that there is a fault in the electronics. hicle operation. Therefore, only keys that are programmed Should this occur, have the vehicle serviced as soon as to the vehicle can be used to start and operate the vehicle. possible by an authorized dealer. The system will shut the engine off in two seconds if someone uses an invalid key to try to start the engine. Key-In-Ignition Reminder