| Topic group | Topic | Summary |
| Safety systems | Airbags | There are a number of different types of air bag, including: driver & passenger frontal impact air bags, side impact air bags, and curtain side air bags. There are two different types of air bag triggering mechanisms – electrical and mechanical. |
| Seatbelt | A seatbelt is a safety harness designed to hold the driver and passengers of automobiles firmly in their seats during an accidental collision. |
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| Vehicle safety systems | Vehicle safety systems are designed to protect occupants during accidents. They include primary systems, such as bumper bars & seat belts; and secondary systems, such as air bags. |
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| Crash sensors | Sensors are located behind the front bumper, headlights, dash and doorsill or 'B' pillar. Some manufacturers also place sensors within the electronic control unit. |
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| Seat belt pre-tensioners | There are two types of seat belt pre-tensioner, mechanical & electrical. Seat belt pre-tensioners are used to tighten the seat belt in a severe frontal accident. |
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| Tire pressure monitoring systems | Automated Tire Pressure Monitoring Systems or TPMS provide a means of reliable and continuous monitoring of the vehicle tire pressure and are designed to increase safety, decrease fuel consumption and improve vehicle performance. |