For years, the conversation around modern vehicles has largely centered on fuel savings and lower maintenance costs. Electric vehicles, in particular, have attracted motorists looking for lower running costs and fewer maintenance concerns. But beyond efficiency and savings, another factor has become just as important in determining a vehicle’s value: safety.

A recent incident along the South Luzon Expressway highlighted why advanced safety technologies deserve more attention from motorists.

An SUV made a dangerous multi-lane maneuver on the southbound section of the South Luzon Expressway (SLEX) after the driver apparently realized they had missed an exit. The vehicle suddenly cut across several lanes from the overtaking lane, narrowly avoiding multiple vehicles, including a 14-wheeler truck. The truck driver was forced to brake hard, creating a chain of risk for motorists following behind.

Incidents like this can happen within seconds and often leave drivers with little room for error. In situations where human reaction alone may not be enough, modern driver assistance systems can become critical tools that help motorists respond to unexpected hazards.

One of the affected motorists in the incident was driving a BYD electric vehicle. According to the driver, a combination of attentive driving and the vehicle’s safety technologies helped prevent a collision and allowed the vehicle to move safely to the roadside.

Among the features that played a role was Forward Collision Warning, or FCW. The system continuously monitors the road ahead using front-facing cameras, millimeter-wave radar sensors and ultrasonic sensors. By measuring the distance and speed of vehicles or objects ahead, the technology can identify potential hazards before they become accidents.

When the system detects that the driver is approaching another vehicle or obstacle too quickly, it immediately provides visual alerts on the dashboard and emits audible warnings. These notifications are designed to prompt drivers to react faster during critical moments.

FCW also works in conjunction with Automatic Emergency Braking or AEB. If the driver does not respond in time, the system can automatically apply partial or full braking pressure to reduce the severity of a crash or prevent one altogether.

Another safety feature that becomes particularly useful during sudden emergencies is the Emergency Stop Signal or ESS. Unlike traditional brake lights that remain constantly illuminated, ESS automatically triggers rapidly flashing hazard lights when the vehicle experiences severe deceleration. The system serves as an early warning to motorists behind, giving them additional time to react to unexpected stops and helping reduce the likelihood of rear-end collisions.

Safety technologies across the automotive industry are also becoming increasingly proactive. New generations of vehicles are being equipped with in-cabin monitoring systems that use cameras and sensors to track a driver’s alertness and behavior. These systems can detect signs of drowsiness, distraction or possible medical distress and issue warnings before a dangerous situation develops. In certain applications, the vehicle can even initiate a controlled stop if the driver becomes unresponsive.

Manufacturers are likewise introducing occupant monitoring systems that can recognize when a driver has suddenly slumped over or when a child or pet has been accidentally left inside the vehicle. Depending on the system, the car may send alerts, adjust cabin conditions or activate emergency response measures.

According to BYD Philippines’ managing director, Bob Palanca, the successful collision avoidance in the SLEX incident was the result of both technology and human intervention.

“The BYD Sealion 6’s safety systems provided alerts and support, while the driver’s quick response and vehicle control also played a key role in avoiding surrounding vehicles and maintaining a safe distance,” the company said.

BYD also encourages motorists to familiarize themselves with its Advanced Driver Assistance Systems, which include Lane Departure Warning, Lane Keeping Assist, Blind Spot Detection, Traffic Sign Recognition and Intelligent Speed Limit Control.