- Power windows now include safety features, obstacle detection, and auto-close to prevent injuries.
- Centralized driver control allows closing all windows quickly in emergencies.
- Rear window lock restricts rear controls for child protection and accident prevention.
- Anti-pinch system uses sensors and algorithms to drop window on obstacle.
Electric windows are a common feature that enhances convenience, but their safety is just as important. When a power window closes, it can exert enough force to injure or even break bones, crush fingers, or restrict breathing if your head is caught between the glass. However, modern power window systems are equipped with multiple safety features that make the difference between an accident and a safe journey.
Power window technology has evolved significantly, integrating sophisticated protection systems that continuously monitor the force applied and detect obstacles. These innovations turn what could be a hazard into an advanced safety system.
Centralized Driver Control for All Windows
No matter how many times you tell a disobedient child not to play with the power window regulator, they keep pressing the button to open the window. The driver has a control panel to close any window from the car, providing total control over all of the vehicle’s windows.
This centralized control offers several important advantages:
- Rapid response in emergencies - the driver can instantly close any window
- Prevention of child-related accidents - eliminates the risk of a child climbing toward a window
- Control over weather conditions - quick management of all windows when it starts to rain
- Safety when parking - closing all windows before leaving the vehicle
Some advanced systems even allow window control from a distance, via the smart key, providing an extra level of comfort and safety.
Rear Window Lock System
If you have a small child or a dog that tends to open the rear window by mistake, or if you simply want to prevent an accident caused by power windows, you have the option to block the rear windows.
The lock button is usually located in the driver area or on the instrument panel, and activating it means the rear windows can no longer be opened using the rear controls. This safety feature offers:
- Child protection - only the driver can control the rear windows
- Accident prevention - eliminates the risk of accidentally pressing the rear window buttons
- Parental control - the parent decides when and how much the rear windows are opened
- Flexibility - the front passenger can use their window normally
The system can be easily activated and deactivated, allowing quick adaptation to different travel scenarios.
Anti-Pinch Device – Advanced Safety Technology
The motor of power windows exerts a substantial closing force, typically between 40-100 N (Newtons), enough to cause serious injury. To counter this risk, the system includes an intelligent mechanism that makes the window drop down if it encounters an obstacle during upward travel, such as a child’s hand.
How the Anti-Pinch System Works
The technology relies on several sensors and algorithms:
- Force sensors - monitor the resistance faced by the window
- Speed sensors - detect rapid deceleration of the motor
- Decision algorithms - analyze the data and decide when to stop and reverse motion
- Rapid reaction time - the system responds in less than 100 milliseconds
Although it may pinch a little, the window will reverse direction before any serious impact occurs. The maximum force allowable under European regulations is 100 N, and most modern systems are calibrated to respond to much lower forces.
Maintenance of Safety Systems
To ensure optimal operation of these safety systems, it is important to:
- Periodically test the anti-pinch system with safe objects
- Clean the window guides to prevent jams
- Check the operation of the control and lock buttons
- Calibrate the system after replacing the battery or components
Proper maintenance not only extends the life of the system but also ensures the correct operation of all safety devices.
Future Technologies in Automotive Windows
The automotive industry continues to innovate in electric window safety. New technologies include:
- Ultrasound sensors for more precise obstacle detection
- Integration with assistance systems for coordination with other safety features
- Smart windows that can close automatically based on weather conditions
- Monitoring systems that alert to improper operation
These innovations promise to make electric windows even safer, providing greater protection for all vehicle occupants.
Photo source: seat.com, cars24.com