Skip the auto shop - Our mechanics make house calls

Q: How do you arm and disarm the anti-theft system?

asked by on

How do you arm and disarm the anti-theft system?

A: While you have to take physical action to s...

While you have to take physical action to set the alarm on your car, the same is not true for the immobilizer system. The system is automatically armed as soon as you turn the engine off and take the key out of the ignition. You should see the immobilizer/anti-theft icon flash once every two seconds. The system also automatically disarms as soon as you insert a programmed key into the ignition and turn it to the on position. The chip in the key communicates with the car’s computer and the system disarms.

Tip

The anti-theft dash icon should light up for about three seconds after you crank the car. If it comes on and stays on, the system needs to be inspected.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: What does the charging system Warning Light mean in a 2012 Chevrolet Cruze?

The charging system Warning Light symbolizes an electrical charging system problem. When this warning light is illuminated, your battery may not be able to charge itself, and electrical systems (such as the air conditioning, radio, and interior lights) will drain...

Q: How does the rearview camera work?

Your SUV may be equipped with a rearview camera (it’s optional equipment). If so, it provides you with a significant amount of safety by delivering a view of what’s behind your car right on the center screen or rearview mirror...

Q: How to prevent car theft after key theft

Sorry to hear that your keys were stolen. An engine kill switch would not be a bad idea to have installed. The best way to prevent the theft of your vehicle would be to have your ignition lock cylinder replaced...

Related articles

How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...