I have no idea if this is true for 2007s.To activate the theft-deterrent system, do one of the following:
• Press the lock button on the Remote Keyless Entry (RKE) transmitter when any door is open. The security light should come on and flash. When the door is closed, the security light will stop flashing and stay on solid and then go off after approximately 30 seconds. The content theft deterrent alarm is not armed until the security light goes off. If the delayed locking feature is active, the alarm
will not be activated until all doors are closed and the security light goes off.
• Press the lock button on the RKE transmitter when the driver door is closed. The security light will come on solid for approximately 30 seconds and then go off. The content theft deterrent alarm is not armed until the security light goes off.
If a locked door is opened without using the key in the driver’s door key cylinder or the RKE transmitter, a ten second pre-alarm will occur. The horn will chirp and the lights will flash. If the key is not placed in the ignition and turned to START or the door is not unlocked by pressing the unlock button on the RKE transmitter during the ten second pre-alarm, the alarm will go off. Your vehicle’s headlamps will flash and the horn will sound for about two minutes, then will turn off to save the battery power. The theft-deterrent system will not activate if the doors are locked with the vehicle’s key or the manual door lock. It activates only if you use the power door lock switch with the door open or the RKE transmitter. You should also remember that you can start your vehicle with the correct ignition key if the alarm has been set off.
Here is how to avoid setting off the alarm by accident:
• If you do not want to activate the theft-deterrent system, the vehicle should be locked with the door key after the doors are closed.
• Always unlock a door with the RKE transmitter. Unlocking a door any other way will set off the alarm if the system has been armed. If you set off the alarm by accident, turn off the alarm by
pressing unlock on the RKE transmitter or by placing the key in the ignition and turning it to START.
Testing the Alarm
To test the alarm:
1. From inside the vehicle, lower the driver’s window and open the driver’s door.
2. Activate the system by locking the doors with the RKE transmitter.
3. Get out of the vehicle, close the door and wait for the security light to go out.
4. Then reach in through the window, unlock the door with the manual door lock and open the door. This should set off the alarm. If the alarm does not sound when it should, but the vehicle’s headlamps flash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see Fuses and Circuit Breakers on page 5-100. If the alarm does not sound or the vehicle’s headlamps do not flash, see your dealer/retailer for service.
The Acadia we test drove had an open but still latched hood when we drove off the lot (thanks to the salesman that didn't know his head from his ***). I was surprised to see this displayed on the DIC. Then, after we had our Acadia for a while, I was doing some detailing and had locked the car but popped the hood... and was surprised to hear the alarm went off when I opened the hood.rlpmac said:I had a problem with the hood latch sensor (warranty) and in the dash the DIC would read "THEFT ATTEMPTED” and then "HOOD OPEN" but no warning or security lights lit within the gauge cluster.