2010 Hummer H3 Owner's Manual - Page 36

2-10 Keys, Doors and Windows Testing the Alarm To test the alarm: 1. From inside the vehicle, lock the doors with the RKE transmitter. 2. Unlock the door with the manual door lock and open the door. The pre-alarm should sound followed by the full alarm about 10 seconds later. 3. Press the unlock button on the RKE transmitter or start the engine to turn the alarm off. If the alarm does not sound but the lights flash, check to see if the horn works. The horn fuse could be blown. To replace the fuse, see Fuses and Circuit Breakers on page 10‑39. If the alarm does not sound or the front turn signal lamps do not flash, see your dealer for service. To avoid setting off the alarm by accident: . Immobilizer See Radio Frequency Statement on page 13‑16 for information regarding Part 15 of the Federal Communications Commission (FCC) Rules and RSS-210/211 of Industry Canada. Lock the vehicle with the manual door lock lever, the power door lock switch, or the key, after the doors are closed. Unlock the doors by pressing the unlock button on the RKE transmitter or by contacting OnStar. Unlocking a door any other way activates the alarm. . Immobilizer Operation (U.S.) Passlock® is a passive theft-deterrent system that enables fuel if the vehicle is started with a valid key. If an incorrect key is used or the ignition lock cylinder is tampered with, the fuel system is disabled and the vehicle does not start. The security light turns off approximately five seconds after the engine is started. See Security Light on page 5‑17. Press unlock on the RKE transmitter, start the vehicle with the correct key, or have OnStar unlock the doors to turn the alarm off. The alarm does not stop if a door is unlocked any other way.