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BYD Seal DM-i Left Side Three-Point Seat Belt Assembly
The BYD Seal DM-i Left Side Three-Point Seat Belt Assembly is a critical safety component specifically engineered for the BYD Seal DM-i plug-in hybrid sedan. This advanced safety system employs a three-point harness design that effectively distributes impact forces across the shoulder and lap during sudden stops or collisions, providing optimal protection for the driver.
Key Safety Features
Emergency Locking Retractor (ELR) Technology: Advanced ELR system automatically locks the belt within milliseconds when sudden deceleration or vehicle tilt is detected, preventing excessive forward movement and minimizing injury risk.
Pre-tensioner and Force Limiter: In severe collisions, the pre-tensioner rapidly retracts the belt to remove slack, while the force limiter controls restraint force applied to the occupant's chest, reducing injury risk from excessive pressure.
Height Adjustable Design: Shoulder belt height can be easily adjusted to accommodate drivers of different heights, ensuring proper positioning without neck contact.
Durable Construction: Manufactured from high-strength polyester webbing (48mm width) and reinforced steel components, meeting stringent automotive safety standards for reliable protection.
Technical Specifications
Webbing Material
High-strength Polyester
Webbing Width
48 mm
Webbing Length
2900-3200 mm
Tensile Strength
≥13.5 kN
Locking Time
≤50 ms
Tilt Angle Sensitivity
12-25°
Working Temperature Range
-30°C to 85°C
Certification Standards
3C, E-Mark
Compatibility
BYD Seal DM-i (2023-2024) Left Side
Installation and Usage Guidelines
Proper Positioning: Shoulder belt should cross the center of the shoulder without contacting the neck, while lap belt should be positioned as low as possible across the hips, not the abdomen.
Fastening Procedure: Insert latch plate into buckle until it clicks, then pull back to ensure secure locking. Ensure belt is not twisted during fastening.
Height Adjustment: Press adjuster release button and move adjuster up or down to desired position, then release to lock in place.
Unlocking: Press red unlock button on buckle to release belt, which should automatically retract smoothly.
Safety Performance
Three-point seat belts are proven to reduce fatality risk by 57% in frontal collisions, 44% in side impacts, and 80% in rollover accidents. The BYD Seal DM-i seat belt assembly provides this critical protection while maintaining comfort during normal driving conditions.
Maintenance and Inspection
Regularly inspect seat belt webbing for cuts, fraying, or excessive wear. Check that retractor mechanism functions properly and that buckle latches securely. After any accident, have the seat belt system inspected by a BYD authorized service center, as pre-tensioner activation requires replacement of the entire assembly.
Product Images
Three-point seat belt assembly
Close-up of mechanism and webbing
Packaged assembly ready for shipping
About Our Company
Established in August 2016, Guangzhou Guanna Auto Parts Trading Co., Ltd. specializes in automotive passive protection devices. We are committed to ensuring driver safety and improving customer experience, having grown into a comprehensive enterprise that integrates research and development, production, and sales.
