Interior motion sensor question
Thread Starter
Pro
Joined: Oct 2013
Posts: 622
Likes: 118
From: Denver CO
Interior motion sensor question
Just purchased a 2017 GS 2lt.
Yes, I have a button to turn it off..
I turn it off, get out, lock the car.
This darn sensor re-arms itself, and is really pissing off the neighbors. No one has touched it, no one has driven by, everything motionless.
Is it re-arming itself when I lock it?
Is the sensitivity adjustable?
Are the aircraft in the departure pattern from San Diego somehow interfering with it (navigation aids)?
I had to pull the horn fuse to keep the natives happy (and the starter fuse so no one can drive off with it).
I read the other thread from 2020, and learned nothing new.
I don't mean to be a problem.
Yes, I have a button to turn it off..
I turn it off, get out, lock the car.
This darn sensor re-arms itself, and is really pissing off the neighbors. No one has touched it, no one has driven by, everything motionless.
Is it re-arming itself when I lock it?
Is the sensitivity adjustable?
Are the aircraft in the departure pattern from San Diego somehow interfering with it (navigation aids)?
I had to pull the horn fuse to keep the natives happy (and the starter fuse so no one can drive off with it).
I read the other thread from 2020, and learned nothing new.
I don't mean to be a problem.
Melting Slicks
Joined: Dec 2007
Posts: 2,902
Likes: 668
From: North Fulton Georgia
Not sure what sensor you're referencing. The motion sensor takes quite a bit to trigger. Other than that, only other alarm occurs when a door is opened without a FOB being close by. Interesting... 
Team Owner
Joined: Jul 2004
Posts: 28,430
Likes: 3,279
From: Hartford WI
Just purchased a 2017 GS 2lt.
Yes, I have a button to turn it off..
I turn it off, get out, lock the car.
This darn sensor re-arms itself, and is really pissing off the neighbors. No one has touched it, no one has driven by, everything motionless.
Is it re-arming itself when I lock it?
Is the sensitivity adjustable?
Are the aircraft in the departure pattern from San Diego somehow interfering with it (navigation aids)?
I had to pull the horn fuse to keep the natives happy (and the starter fuse so no one can drive off with it).
I read the other thread from 2020, and learned nothing new.
I don't mean to be a problem.
Yes, I have a button to turn it off..
I turn it off, get out, lock the car.
This darn sensor re-arms itself, and is really pissing off the neighbors. No one has touched it, no one has driven by, everything motionless.
Is it re-arming itself when I lock it?
Is the sensitivity adjustable?
Are the aircraft in the departure pattern from San Diego somehow interfering with it (navigation aids)?
I had to pull the horn fuse to keep the natives happy (and the starter fuse so no one can drive off with it).
I read the other thread from 2020, and learned nothing new.
I don't mean to be a problem.
I have mine set on autolock. When I am far away enough, the car locks. If the wife is in it and moves, it will trigger the alarm. If I don't want that to happen, I push that button and walk off. It locks the door but she can do what she wants in the car and nothing happens.
If you have it functioning, it might be your airplane departures are causing some sort of vibration which triggers that alarm
Team Owner
Joined: Apr 2013
Posts: 26,227
Likes: 4,355
From: Chirper Island
The intrusion/inclination alarm can be turned off by pressing the button on the lower dash.
This needs to be done every time you exit the vehicle.
If you take the top off or lower it, the alarm is disabled, and will not set the alarm off, unless you do the wall anchor work around on the coupe.
There is no sensitivity adjustment.
Ps autolock is a function of time, not distance.
This needs to be done every time you exit the vehicle.
If you take the top off or lower it, the alarm is disabled, and will not set the alarm off, unless you do the wall anchor work around on the coupe.
There is no sensitivity adjustment.
Ps autolock is a function of time, not distance.
Thread Starter
Pro
Joined: Oct 2013
Posts: 622
Likes: 118
From: Denver CO
Great responses, thanks all!
I wasn't certain if this car "auto locks" or required input from the remote.
The digital dash readout:
"Motion Sensor On"
"Motion Sensor Off"
Button on the left lower dash turns it on/off.
I'm 5'1".. my knees don't reach the dash (accidental activation).
Thanks for the PDF.
I select off, to keep the interior sensor from causing trouble.
While blowing dirt off the car (with the windows open), just an errant puff of air from the air hose caused the alarm to go off.
My husband put a piece of paper on my dashboard.. big mistake. The alarm went off.
We learned that lesson pretty quick. I'd say that was pretty damn sensitive when air from a blow gun sets it off.
Now parked at the curb with the windows up, top on, nothing dangling from the rear view mirror, and it wakes the dead. Maybe the airlines are a factor (?)
I wasn't certain if this car "auto locks" or required input from the remote.
The digital dash readout:
"Motion Sensor On"
"Motion Sensor Off"
Button on the left lower dash turns it on/off.
I'm 5'1".. my knees don't reach the dash (accidental activation).
Thanks for the PDF.
I select off, to keep the interior sensor from causing trouble.
While blowing dirt off the car (with the windows open), just an errant puff of air from the air hose caused the alarm to go off.
My husband put a piece of paper on my dashboard.. big mistake. The alarm went off.
We learned that lesson pretty quick. I'd say that was pretty damn sensitive when air from a blow gun sets it off.
Now parked at the curb with the windows up, top on, nothing dangling from the rear view mirror, and it wakes the dead. Maybe the airlines are a factor (?)
Roadster Madness. 😠
Joined: Sep 2009
Posts: 6,289
Likes: 2,357
From: Ventura Co Ca
SoCal Regional Events Coordinator
St. Jude Donor '13, '20-'21
I was at a Judging Meet in SoCal and it was 107F, so, I used the FOB to open the windows. They gave me my Judging Certificate in a Manila Envelope. Without thinking, I threw it into the car. I immediately knew my intrusion sensor wotked! 
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Team Owner
Joined: Jul 2004
Posts: 28,430
Likes: 3,279
From: Hartford WI
Not sure I follow. How did your intruder alarm go off? Unless something moves in the car after it arms, it shouldn't. Mine works that way. After it locks, the alarm seems to be armed. It detects movement, it sounds the alarm. OTOH, it has sat quietly in my garage. It sits with the windows up and the roof on.
Team Owner
Joined: Jul 2004
Posts: 28,430
Likes: 3,279
From: Hartford WI
The inclination sensor can set off
the alarm if it senses movement of
the vehicle, such as a change in
vehicle orientation.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle’s interior. Do not
allow passengers or pets to remain
in the vehicle when the intrusion
sensor is activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor
the alarm if it senses movement of
the vehicle, such as a change in
vehicle orientation.
The intrusion sensor monitors the
vehicle interior, and can activate the
alarm if it senses unauthorized entry
into the vehicle’s interior. Do not
allow passengers or pets to remain
in the vehicle when the intrusion
sensor is activated.
Before arming the theft-deterrent
system and activating the intrusion
sensor
Tech Contributor
Joined: Oct 1999
Posts: 41,037
Likes: 9,801
From: Charlotte, NC (formerly Endicott, NY)
Great responses, thanks all!
I wasn't certain if this car "auto locks" or required input from the remote.
The digital dash readout:
"Motion Sensor On"
"Motion Sensor Off"
Button on the left lower dash turns it on/off.
I'm 5'1".. my knees don't reach the dash (accidental activation).
Thanks for the PDF.
I select off, to keep the interior sensor from causing trouble.
While blowing dirt off the car (with the windows open), just an errant puff of air from the air hose caused the alarm to go off.
My husband put a piece of paper on my dashboard.. big mistake. The alarm went off.
We learned that lesson pretty quick. I'd say that was pretty damn sensitive when air from a blow gun sets it off.
Now parked at the curb with the windows up, top on, nothing dangling from the rear view mirror, and it wakes the dead. Maybe the airlines are a factor (?)
I wasn't certain if this car "auto locks" or required input from the remote.
The digital dash readout:
"Motion Sensor On"
"Motion Sensor Off"
Button on the left lower dash turns it on/off.
I'm 5'1".. my knees don't reach the dash (accidental activation).
Thanks for the PDF.
I select off, to keep the interior sensor from causing trouble.
While blowing dirt off the car (with the windows open), just an errant puff of air from the air hose caused the alarm to go off.
My husband put a piece of paper on my dashboard.. big mistake. The alarm went off.
We learned that lesson pretty quick. I'd say that was pretty damn sensitive when air from a blow gun sets it off.
Now parked at the curb with the windows up, top on, nothing dangling from the rear view mirror, and it wakes the dead. Maybe the airlines are a factor (?)
I trailer my car to track events and have found the alarm will sometimes sound off as soon as the trailer starts to move or sometimes it waits until I have driven several miles and then sounds off.
I do have OnStar active on my car and as soon as the alarm is triggered I receive an email stating somebody is breaking into my car.
Bill
Team Owner
Joined: Jul 2004
Posts: 28,430
Likes: 3,279
From: Hartford WI
I deactivate mine after I get out of the car but before I close the door. When deactivated there is a small light in the center of the button that stays lit. I have found the alarm doesn't always deactivate when the button is pushed (not sure why), however, you need to make sure the light is on before closing the door or the motion sensor is still active. It may take a couple of pushes on the button to make sure the alarm is off. If you open and close the doors the alarm will reactivate unless you push the button again.
I trailer my car to track events and have found the alarm will sometimes sound off as soon as the trailer starts to move or sometimes it waits until I have driven several miles and then sounds off.
I do have OnStar active on my car and as soon as the alarm is triggered I receive an email stating somebody is breaking into my car.
Bill
I trailer my car to track events and have found the alarm will sometimes sound off as soon as the trailer starts to move or sometimes it waits until I have driven several miles and then sounds off.
I do have OnStar active on my car and as soon as the alarm is triggered I receive an email stating somebody is breaking into my car.
Bill
Isn't that a function of the motion sensor that feels your car is being moved when it shouldn't be?
Maybe you need to stop stealing your own car?
Advanced
Joined: May 2023
Posts: 67
Likes: 43
From: Melbourne, Fla
I'm not sure which one. I just hit the door unlock on the FOB to silence it, (from inside my apartment ). Happened twice one night during LOUD lighting and thunder, about 10 minutes apart. Then happened again couple days later, but that might have been from the sun shade, since it wasn't raining. Is there a way to look in the system to determine what alarm triggered?
Safety Car
Joined: Mar 2006
Posts: 4,538
Likes: 5,124
From: Chester VA
Team Owner
Joined: Sep 2000
Posts: 25,004
Likes: 2,706
From: Far NW 'burbs of Chicago
St. Jude Donor '13
Can I ask why you deactivate it when you get out? Just curious since I have never done that unless the wife decides she wants to wait in the car and we don't need to alert the entire parking lot that she is trying to steal her car from the passenger seat.
Isn't that a function of the motion sensor that feels your car is being moved when it shouldn't be?
Maybe you need to stop stealing your own car?
Isn't that a function of the motion sensor that feels your car is being moved when it shouldn't be?
Maybe you need to stop stealing your own car?
That allows wife to stay in car and exit with the normal handle if desired. But the car won't be locked, so someone might steal her. If that's a factor, use the alarm disarm button on the dash instead.
Thread Starter
Pro
Joined: Oct 2013
Posts: 622
Likes: 118
From: Denver CO
Away from San Diego Airport, and on my last stop in Norco CA.
Last night was quiet, with no self-activations.
I'm chalking it up to low altitude aircraft interference in the departure pattern.
Last night was quiet, with no self-activations.
I'm chalking it up to low altitude aircraft interference in the departure pattern.