Depending on the current status of the system the warning light will be off on steady or flashing.
Theft system light on while driving.
The immobiliser light blinked when it did.
If the light comes on continuously while driving and stays on there may be a problem with the passlock system.
I ve had the truck shut off flashes multiple codes.
I m waiting to hear back from a chevy technician i contacted my dealership in their chat.
The display of the car behind the steering will light up and will show the anti theft light blinking or constantly lit.
Leave the key in this position for at least 10 minutes.
When it blinked on the car lost traction in gear.
Have also had issues with the truck consistently starting and the steering wheel whipped out of my hands twice while driving in reverse.
I was able to re start the car but within a few minutes the immobiliser light would blink on again and then off.
When the theft light comes on while driving you re home free.
Apparently that s the car s anti theft system.
Service stabilitrac service theft deterrent system roll window down and back up trailer brake system etc my truck in particular is a wreck.
Insert the key into the ignition and turn it on to the position where the accessories are activated but not the engine.
The way you do this is first to look at the dash to see if the anti theft light is on.
I pull over put in park and try to restart.
So long as it stays on the car will start.
These systems used a dash mounted security or theft light which can be yellow or red in color.
Current automobiles use a theft deterrent alarm system to prevent break ins.
Check the anti theft light again.
This will continue for several minutes unless you deactivate the alarm.
If it is then put the key in the ignition and turn it to the on position.
After deactivating it you can reset the alarm to ensure that your gm vehicle security system is set correctly.
The light on is just an annoyance.
After doing this you have to wait ten to fifteen minutes.
05 colorado 5 cyl.
This type of anti theft system is designed to prevent the vehicle from starting unless the correct ignition key is used.
Eng dies while driving check eng light comes on.
I m really hoping that this will resolve itself as i can t afford any expensive repairs nor can i afford to trade in my car for another i owe way to much on the one i currently have.
Your vehicle will not be protected by passlock and you should see your dealer.
That means the system experienced a fault after starting and it recognizes it as a false positive.
After about 2 or 3 minutes it will restart.
The horn will sound while the headlights flash on and off.
