
Are you wondering, "What is a crash detection system in a car, and how does it work?" You're not alone. Many drivers are curious about this life-saving technology. In this blog, we’ll explain what crash detection systems are, how they help keep you safe, and why they matter when you're on the road.

What Does a Crash Detection System Do?
A crash detection system in a car is designed to identify if you've been in an accident and automatically take action. This system uses sensors, onboard computers, and sometimes your smartphone to detect a collision. It can call emergency services, unlock your doors, turn on hazard lights, and even send your location to first responders.

How Does a Crash Detection System Work?
Here’s a quick breakdown:
- Motion sensors detect sudden stops or changes in direction.
- Impact sensors in bumpers or doors sense physical contact.
- GPS tracks your location in real time.
- Telematics systems like OnStar, Toyota Safety Connect, or Ford SYNC alert emergency responders.
Some crash detection systems are also built into smartphones like iPhones and Google Pixels. When a crash is detected, your phone can automatically dial 911 or alert your emergency contacts.

What Happens After a Crash Is Detected?
When a crash detection system activates, your vehicle or phone can:
- Automatically call 911 or roadside assistance.
- Send your exact GPS location to help responders find you quickly.
- Notify your emergency contacts.
- Unlock your car doors for rescue.
- Shut off the fuel pump to prevent fires.
- Turn on hazard lights to alert others.

Why Is a Crash Detection System Important?
Crash detection systems can save lives. Here’s why they matter:
- Faster emergency response – every second counts.
- Increased safety – especially if you’re unconscious or unable to call for help.
- Peace of mind – your family knows you’ll get help if something goes wrong.

Do All Cars Have Crash Detection?
Not all vehicles have crash detection systems. They are usually found in:
- Newer model vehicles (2018 and up)
- Cars with advanced safety packages
- Luxury or higher trim levels
You can also get crash detection through aftermarket devices or by using a smartphone with crash detection features enabled.
Can I Add Crash Detection to My Current Car?
Yes! If your car doesn’t have built-in crash detection, you can:
- Use a smartphone with crash detection (like an iPhone or Pixel).
Have more questions about your crash detection system? We can help! We can help Lou's Car Care & Fleet Services has been proudly serving Baldwinsville, NY, and surrounding communities since 1976. Call us or schedule your next appointment online today!