The Role of Car Tires in Active Safety Systems

Car tires are often seen merely as supporting components, while in reality, they play a crucial role in the vehicle’s active safety system. Tires not only determine comfort but also significantly influence braking, handling, and stability—especially during emergency situations. This article explains how tires affect active safety features, the risks of using improper tires, and tips for choosing the right ones to support safe driving.

The Importance of Tires in Active Safety Systems

Active safety refers to all features designed to prevent accidents, including braking systems, handling, and traction control. These technologies can only work optimally when supported by proper tires. Tires are the only part of a vehicle that directly touches the road, making their quality essential for the effectiveness of safety technologies.

Here are several key functions of tires in supporting active safety:

1. Tires for Optimal Braking Performance

Tires directly affect braking distance. Tires with high grip can shorten the braking distance, especially on wet roads. Conversely, worn tires or incorrect air pressure will lengthen braking distance and increase the risk of skidding.

Safety Tips:

• Ensure the tread pattern can channel water effectively to prevent aquaplaning.
• Maintain tire pressure according to the vehicle manufacturer’s recommendation to ensure maximum braking performance.

2. Tires for Better Handling and Stability

Handling performance heavily depends on tire condition. Good tires maintain vehicle stability when taking sharp turns or performing maneuvers. If the tires are worn out, the vehicle becomes harder to control, especially at high speeds.

3. Tires Supporting Safety Systems (ABS, ESC, Traction Control)

Safety features such as Anti-lock Braking System (ABS), Electronic Stability Control (ESC), and traction control require maximum tire grip to function properly. If the tires are worn or not suitable, these features cannot offer optimal protection.

Example: ABS prevents wheel lock-up during hard braking, but if the tires are slippery, the braking distance will still be long, increasing accident risk.

Risks of Using Improper Tires

Choosing tires that don’t match the vehicle type or road conditions can significantly increase accident risk. For example:

• Tires with incorrect load index reduce stability at high speeds.
• Improper tire pressure can trigger oversteer or understeer.
• Worn tires increase the risk of aquaplaning on wet surfaces.

Additional Factors You Must Consider

Beyond physical condition, several factors are essential to ensure tires support safety and comfort:

1. Proper Tread Design

Tread patterns help channel water and prevent aquaplaning. Choose a tread design that suits your daily road conditions.

2. High-Quality Rubber Compound

Rubber material quality determines tire grip. Premium compounds maintain traction on dry and wet surfaces while prolonging tire life.

3. Low Noise Level

Modern and electric vehicles require enhanced comfort. Low-noise tires reduce road noise for a smoother long-distance journey.

4. Load Index and Speed Index

Each tire has a load index (maximum weight) and speed index (maximum safe speed). Using tires below manufacturer recommendations reduces stability and increases the risk of tire failure.

Tip: Always check the vehicle manual and ensure the tires match the proper load and speed index.

5. Rotation, Balancing, and Alignment

• Rotate tires every 8,000 km or 6 months for even wear.
• Balancing prevents vibration at high speeds.
• Alignment ensures steering precision and reduces uneven wear.

6. When Should You Replace Your Tires?

Replace tires immediately if you notice:

• Cracks on the sidewall
• Discoloration or uneven surface
• Bulges on the tire
• Worn or thin tread
• Tread depth < 1.6 mm (touching the TWI indicator)
• Unstable air pressure

Tip: Inspect your tires visually every month and before long trips.

Conclusion

Tires are a vital component of a vehicle’s active safety system. Braking, handling, ABS, and traction control cannot work optimally without proper tires. For maximum safety and comfort, choose high-quality tires suitable for your vehicle.

Dunlop offers excellent tire options such as Dunlop SP Sport LM705 for comfort and stability, and Direzza DZ102 for superior grip on both wet and dry roads.

Learn more and find the best tires for your vehicle at Dunlop Indonesia.