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Security

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How to Get a Replacement Car Key
Replacing a car key can be a messy and frustrating experience. Sometimes the key breaks, while at other times it may just bend a wear down until it no longer functions correctly....
How to Shut Off the Anti-Theft Device in Your Car
Dead batteries and damaged immobilizer chips can cause anti-theft devices to stop working properly. Here are three ways to shut off your car alarm.
How Long Does a Door Lock Actuator Last?
The door lock actuator locks and unlocks your vehicle’s doors. The lock buttons are located on each of the doors, with a master switch on the driver’s door. Once the button...
5 Essential Things to Know About Car Alarms
Car alarms are an essential tool for keeping your vehicle safe from thieves. However, making sure you understand the options available can make a huge difference in how effective it is. Below, you’ll find...
How to Disable a Car Alarm
Car alarms can be shut off by starting the car, unlocking the car door, or disconnecting the battery. Maintain your key fob to cancel future alarms.
How to Keep Your Vehicle Safe From Theft
With over a million cars stolen each year in the US, vehicle theft has become a concern for vehicle owners. Fortunately, you can increase the chances of keeping your vehicle...
How to Keep Your Car Safe When It’s Parked
It’s reasonable to worry about your car when you park it in a foreign place, especially if that place doesn’t seem particularly friendly. Sometimes the thought...
How to Report a Vehicle Break-In
Having someone go through the contents of your car and take your personal belongings is a huge violation of your privacy. The act of breaking into...
How to Pick an Alarm For Your Car
Your vehicle is an important part of your everyday life. It is important to protect your vehicle from damage and burglary using a car alarm. A car alarm is an...
How to Disable OnStar
OnStar is a subscription-based service that provides remote vehicle diagnostics, communications, security, and other features for vehicles. The company is a subsidiary of General Motors, and is popular...
How to Prevent Having Your Car Broken Into
Aside from having your car stolen, having someone break into your car is perhaps one of the most violating things that can happen to your vehicle. Just knowing that...
How to Install a Car Alarm
Whether you just bought a used vehicle without an alarm or just decided to opt for the extra security, installing an alarm system into your car is never a bad...
Top Automotive News & Stories: August 13-19
This week's top auto news: Self driving Ford, Volkswagen security hack, sleek Mercedes-Maybach concept, Audi green light countdown, and more.
Industry News for Automotive Techs: October 15-21
This week: home-brewed autonomous car, sneak peek at future Jeeps, scheming car hackers, Ram's off-road TRX concept, new turbo test kit from Lisle.
Industry News for Automotive Techs: October 22-28
Japanese automakers step up security, Mercedes' X-Class pickup, carsharing with Turo, VW TDI settlement approved, Faraday Future behind on payments.
Industry News for Automotive Techs: October 29 - November 4
Toyota and Getaround's smartphone key, future McLaren cars, DMCA car hacking, a fire at Ford's headquarters, and Chevrolet's SEMA 2016 show cars.

Related questions

Question
Security system is activated and is not letting me turn the car on
Hello there, the security system is an important safety feature with your 2004 Nissan Xterra. You will not be able to disable the security system as it is integrated into the ignition system. Common causes for the security system to...
Question
Truck starts then dies
Hi. I think you have an issue with the pass key or security system in your car. I have seen the chip in the key fail causing the problem that you described. It is very possible that there is some...
Question
Security system on my new to me car has been toggled on.
Hi there. Try taking the key and putting it in the driver door and unlocking and locking the door 3 times. This will make the computer acknowledge the key and finalize the programming. For the dash sound, that could be...
Question
My anti theft system locked me out
It seems like your issue isn't going to be resolved without the dealership. However, there may be a couple of things we can do to resolve your issue. I will go through a couple of steps and hopefully it will...
Question
Won't start, security light came on - 2003 Pontiac Grand Am
It is possible that the thief system was damaged or memory cleared during the changing of the battery and alternator. You will need to try any other key you may have and if it still is inoperative then will need...
Question
I accidentally hit the panic button on the key fob of my 2005 chevy avalanche and now it won't start. I put a new battery in the key fob.
Hi there. Remove the battery cables (+ and -) and then put them back on after 12 minutes. This will clear the computer out and reset the security. Then put the key in the door and as you unlock the...
Question
green security light doesn't come on all the time
As you know, your car is equipped with an anti-theft system that is operated by sensors typically on the doors that allow the anti theft system to be set when the doors are shut. When you shut your car door...
Question
Resetting the PATS (Passive Anti Theft System)
The passive anti-thief system (PATS) is programmed to work with your keys from the factory. Only a dealer with special programming tools and codes can reprogram the system to your key again. If you have one key that is programmed...
Question
injectors only spray 3 times and quit.
Hi there. Check to see if the security system is active. The injectors will stop working if the security system is active. If so, then check there are some damaged wires to the passlock switch on the steering column. Remove...
Question
Security system is activated and now the car only goes up to 50 mph - 2002 Jaguar Vanden Plas
This suggests that the car has gone into a fail safe mode. This is a safety mode that the car will go into when the computer has detected that a critical component has failed or is not working properly. This...
Question
Front light goes on and off
Hi and thanks for contacting YourMechanic. This is a normal condition for the lights to flash when setting the locks. This is an indicator to the driver that the locks have engaged and the security system is now active. If...
Question
In park, the engine just keeps revving.
Hello and thank you for contacting YourMechanic. There is an issue with the security system. The security is active and needs to be disabled. If the security is active, then the engine will act out and have a low rpm...
Question
Immobilizer ring was damaged. Can I bypass the device?
Hi there. If the vehicle has a security system, you will need to replace it with the manufacture security system (providing the thief had destroyed the OEM part). If the thief had destroyed an aftermarket security system, then you can...
Question
The only way I can deactivate the alarm at this moment is by turning on the car.
Hello, thanks for writing in to YourMechanic. Most cars support a "reset" mode for the alarm that works as follows: close all doors and lock the car with the key in the drivers door. After 2-3 minutes, unlock the driver...
Question
Trouble finding the VAG COM security code.
Hello, thanks for writing in. The 7 digit security code that you require can be found on the original key tags, that came with the original keys when the vehicle was new. It is a dealer generated code that is...
Question
Tracker
Generally, you will want to check for places where people can quickly and easily retrieve these or install them. Look in places such as fender wells, behind or under bumpers, under seats, inside glove boxes, etc. There ae also special...
Question
Car won't start up after new battery put in
Hello. The security system has been activated by the battery replacement. To reset the Honda security system: (1) using the physical key, close all doors, (2) insert the key in the driver door, turn to the "Unlock" position, (3) turn...
Question
Security system keeping my vehicle from starting.
Hi there. Try turning on the ignition switch for 5 seconds then turn it off, but do not start the engine. Do this step 3 times and then the computer will acknowledge the key chip and should allow you to...
Question
I think the anti theft system is at fault, can we disable it?
Do you get a different response when unlocking the vehicle with the key fob first? In this case, there may be some confusion in the anti-theft system which should be looked into by your local dealer. Often disabling the anti-theft...
Question
Car won't start
If you have a key fob with a good battery, you should be able to toggle the alarm on and off. If your car is Passlock equipped you could try the 30 minute re-learn procedure. You will go through three...

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