2015 Jeep Grand Cherokee Owner Manual SRT - Page 18

16 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE WARNING! (Continued) • Do not leave children or animals inside parked vehicles in hot weather. Interior heat build-up may cause serious injury or death. CAUTION! An unlocked car is an invitation to thieves. Always remove the Key Fob from vehicle, place the ignition in the OFF and lock all doors when leaving the vehicle unattended. SENTRY KEY® The Sentry Key® Immobilizer System prevents unauthorized vehicle operation by disabling the engine. The system does not need to be armed or activated. Operation is automatic, regardless of whether the vehicle is locked or unlocked. The system uses a Key Fob with a factory-mated Remote Keyless Entry (RKE) transmitter, an Ignition Node Module, Keyless Ignition Node (KIN) and a RF receiver to prevent unauthorized vehicle operation. Therefore, only Key Fobs that are programmed to the vehicle can be used to start and operate the vehicle. The system will not allow the engine to crank if an invalid Key Fob is used to start and operate the vehicle. The system will shut the engine off in two seconds if an invalid Key Fob is used to start the engine. NOTE: A Key Fob that has not been programmed is also considered an invalid key. During normal operation, after turning on the ignition 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 electronics. In addition, if the light begins to flash after the bulb check, it indicates that someone used an invalid