2005 Jeep Grand Cherokee Owner's Manual - Page 12

12 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE Key-In-Ignition Reminder If the driver's door is opened when the key is in the ignition and not turned to the ON position, a chime will sound to remind you to remove the key. keys that have been programmed to the vehicle can be used to start and operate the vehicle for longer than the 2 second validation time period. The Sentry Key Immobilizer System does not need to be armed or activated. Operation of the system is automatic regardless of whether or not the vehicle is locked or unlocked. During normal operation, the SKIS indicator light will come on for 3 seconds immediately after the ignition switch is turned on for a bulb check. Afterwards, if the bulb remains on, this indicates a malfunction in the electronics. If the bulb begins to flash immediately after the ignition switch is turned on, this indicates that an invalid key is being used to start the vehicle. Both of these conditions will result in the engine being shut down after 2 seconds of running. Keep in mind that a key which has not been programmed is also considered an invalid key even if it is cut to fit the ignition for that vehicle. CAUTION! Always remove the key from the ignition, and lock all doors when leaving the vehicle unattended. SENTRY KEY IMMOBILIZER SYSTEM - IF EQUIPPED The Sentry Key Immobilizer System (SKIS) prevents unauthorized operation of the vehicle by disabling the engine. The system will shut the engine down after 2 seconds of running if an invalid key is used to start the vehicle. This system utilizes ignition keys which have an electronic chip (transponder) embedded into them. Only