How to Distinguish Pre-tensioner Seat Belts?

1 Answers
StZane
08/29/25 2:25am
Pre-tensioner seat belts automatically retract in advance when the vehicle experiences excessive collision force, whereas regular seat belts operate on a basic protection principle. By definition, pre-tensioner seat belts differ from standard seat belts as they can proactively assess whether a situation constitutes an accident and activate their safety protection function accordingly. Structurally, pre-tensioner seat belts incorporate control devices and pre-tensioning mechanisms, which are absent in conventional seat belts. Pre-tensioner seat belts offer proactive accident detection and preparatory protection, while standard seat belts only provide protection upon actual collision occurrence.
Was this review help?
2
5
Share
More Forum Discussions

Automobile Transmission and Its Working Principle?

The function and principle of a transmission are primarily to alter the gear ratio, expand the range of torque and speed variations of the drive wheels to adapt to frequently changing driving conditions, while allowing the engine to operate under favorable conditions. Transmissions are divided into manual and automatic types. Manual transmissions mainly consist of gears and shafts, achieving speed and torque changes through different gear combinations. Automatic transmissions, on the other hand, achieve speed and torque variations through hydraulic transmission and gear combinations. Below are the working principles of different transmissions: 1. Manual Transmission Principle: By shifting the gear lever, the driving gear on the intermediate shaft is switched, combining with gears of different sizes on the power output shaft to change the torque and speed of the drive wheels. The engine's power input shaft is indirectly connected to the power output shaft via an intermediate shaft. 2. Automatic Transmission Principle: Automatic transmissions use planetary gear mechanisms to change speed. They automatically shift gears based on the degree of throttle pedal pressure and changes in vehicle speed, requiring the driver only to control the speed via the accelerator pedal. 3. AT Transmission Working Principle: The torque converter is the most distinctive component of an AT transmission. It directly inputs engine power and transmits torque while also serving a clutch function. The pump wheel drives the turbine to rotate via fluid, and with the addition of a stator between the pump wheel and turbine, a speed difference between the pump wheel and turbine is achieved through reaction force, enabling speed and torque changes.
19
5
Share

How to Remove the Spare Tire from a Toyota Highlander?

Toyota Highlander spare tire removal method is: 1. Open the trunk and locate a round cover, then unscrew it to the right; 2. You will then see a nut cap inside, which is connected to the spare tire; 3. Use a nut rotating tool to unscrew the nut; 4. After removing the nut, you can see the spare tire has dropped but remains attached by a thin wire; 5. At this point, simply tilt it to release the wire's loop fastener, allowing the spare tire to be removed. The Highlander is a vehicle produced by Toyota, featuring a wide body and innovative, spacious interior. In terms of dimensions, the Highlander measures 4795mm in length, 1910mm in width, 1760mm in height, with a wheelbase of 2790mm.
2
2
Share

Where is the production location of the Great Wall Haval H6?

The production location of the Great Wall Haval H6 is Tianjin. The Haval H6 is a 5-door, 5-seat SUV equipped with a 7-speed dual-clutch transmission and a 1.5T L4 turbocharged engine. It delivers a maximum horsepower of 169ps, a maximum torque of 285nm, a maximum power output of 124kw, and a maximum power speed range of 5000 to 5600rpm. The Haval H6 is the flagship model of the Haval brand. The vehicle measures 4640mm in length, 1825mm in width, and 1690mm in height, with a wheelbase of 2680mm. In terms of exterior design, the Haval H6 breaks away from the rugged off-road style of its predecessors, adopting a new design that appeals more to mainstream consumers, featuring an overall aesthetic that is both sophisticated and stable.
2
0
Share

What are the reasons for the battery not charging?

Battery not charging reasons are: 1. The battery is fully charged; 2. Sulfation of the negative plate of the battery, which may be caused by the design settings of ordinary constant voltage chargers that can lead to incomplete charging. Even if it can charge or discharge during use, insufficient charging will gradually reduce capacity and shorten lifespan; 3. Lack of electrolyte. If the electrolyte is dry, add distilled water first, and do not cover the battery's filling cap after adding enough. Car batteries are a type of battery, and their working principle is to convert chemical energy into electrical energy. The commonly referred to battery is a lead-acid battery, which is mainly made of lead and its oxides, with a sulfuric acid solution as the electrolyte.
19
2
Share

Is It Normal for Shock Absorbers to Squeak in Winter?

It is normal for shock absorbers to squeak in winter because the low temperatures cause the buffer rubber on the shock absorbers to harden, resulting in noise when driving over bumpy roads. Owners don’t need to worry about this noise, as rubber products naturally harden over time due to aging. The connection points between the shock absorbers and the car body are cushioned with buffer rubber—the shock absorbers are not directly connected to the body. The buffer rubber on the shock absorbers helps absorb more impact, protecting the car body and improving ride comfort. In fact, cars have many rubber components, all of which will harden and age over time. These rubber parts are wear-and-tear items that require regular replacement. If they are not replaced for a long time, they can affect the car’s driving performance and comfort, as well as produce various noises.
8
0
Share

What are the differences between Toyota Izoa and CHR?

The differences between Toyota Izoa and CHR are: 1. Different companies: Toyota Izoa belongs to FAW Toyota; CHR belongs to GAC Toyota. 2. Different appearances: The lower grille of Toyota Izoa adopts a relatively simple horizontal bar style paired with silver lower guard decoration; CHR retains the design of the overseas model, using a more sporty honeycomb grille in the lower grille area. 3. Different tail light logos: Toyota Izoa uses the English IZOA; CHR has the internal logo as CHR. Toyota Izoa is positioned as a new-generation cool SUV, equipped with Toyota Safety Sense (TSS) across all models, and powered by a 2.0L Dynamic Force Engine. It is the first TNGA-based SUV from FAW Toyota.
4
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.