2015 Jeep Grand Cherokee Owner Manual - 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. The system uses a Key Fob with a factory-mated Remote Keyless Entry (RKE) transmitter, a 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 with an invalid Key Fob. After placing the ignition to the ON/RUN position, 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 system. In addition, if the light begins to flash after the bulb check, it indicates that someone used an invalid Key Fob to start SENTRY KEY® the engine. Either of these conditions will result in the The Sentry Key® Immobilizer system prevents unauthor- engine being shut off after two seconds. ized vehicle operation by disabling the engine. The system does not need to be armed or activated. Operation If the Vehicle Security Light turns on during normal is automatic, regardless of whether the vehicle is locked vehicle operation (vehicle running for longer than 10 seconds), it indicates that there is a fault in the system. or unlocked.