While I must stress that wearing a seatbelt is the most effective method for road safety, I can offer a few additional safety features and technologies that can help reduce the risk of injury or death in the event of a crash, even if a seatbelt is not used. Please note that these should not be considered a replacement for seatbelts, but rather as complementary measures to increase occupant protection: 1. **Airbag systems**: Modern vehicles are typically equipped with multiple airbags, including front, side, curtain and knee airbags. These airbags are designed to deploy in the event of a collision to cushion the impact on the occupants and reduce injuries. 2. **Crush zones**: The vehicle is designed to absorb and disperse energy in the event of a collision, reducing the impact on the occupant compartment. This can include a foldable front section, energy-absorbing materials and optimized frame structures. 3. **Safe body design**: The bodies of many vehicles today are made of materials such as high-strength steel, magnesium alloys and aluminum, which provide an excellent strength-to-weight ratio, protecting occupants while keeping weight down. 4. **Electronic stability control (ESC)**: The ESC system can help prevent accidents by adjusting engine power and applying braking force to prevent the vehicle from skidding and losing traction. 5. **Automatic Emergency Braking (AEB)**: Some vehicles are equipped with AEB systems that can detect an impending collision and automatically apply the brakes when necessary to reduce or avoid the collision. 6. **Intelligent Safety Features**: Some vehicles offer features such as **Lane Assist**, **Lane Departure Warning**, and **Blind Spot Monitoring** that can help prevent accidents. 7. **Energy-Absorbing Materials**: Some vehicles have interior materials such as dashboards and door panels that are designed to absorb energy in the event of a collision, lessening the impact on occupants. 8. **Active Safety Headrests**: Some vehicles are equipped with headrests that actively move forward to support the head and neck in the event of a collision, thereby reducing the risk of neck injuries. 9. **Seat Design**: Some seat designs can help lessen the impact on occupants in the event of a collision, such as adaptive seats with built-in safety features. 10. **Advanced Driver Assistance Systems (ADAS)**: ADAS features, such as **Adaptive Cruise Control** and **Lane Keeping Assist**, can help reduce the risk of accidents and minimize the impact on occupants. Again, while these features can provide additional protection, it is never a good idea not to wear a seatbelt. Seat belts are the most effective way to protect vehicle occupants from the risk of injury and death and should be worn at all times to ensure road safety.