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What does 'back' mean on a car?

2 Answers

DiBethany

07/28/25 6:28pm

The 'back' on a car refers to the return button. Pressing the back button allows you to go back one step or return to the main page. Here are some common English terms found on control displays: cd - CD drive, tel - telephone, radio - radio, map - map, menu - menu, option - option (selection), etc. Additional information: Below are the meanings of some common English letters found on cars: 1. TSI: Internationally, it refers to Twincharged (Turbo and Supercharged) Stratified Injection technology. In China, T represents Turbocharging, Si represents Fuel Direct Injection, rather than being an abbreviation of T and FSI, and does not include stratified fuel injection technology. 2. TDI: Stands for Turbocharged Direct Injection diesel engine. TDI technology enables fuel to be directly injected into the cylinder via a high-pressure injector. Due to the piston top's concave bowl-shaped design, the fuel forms a spiral-shaped mixture in the cylinder. 3. VVT: Variable Valve Timing technology in engines. The principle is to adjust the intake (exhaust) volume and the timing and angle of valve opening and closing based on the engine's operating conditions, optimizing the air intake and improving combustion efficiency. The advantages are fuel efficiency and high power-to-weight ratio, while the disadvantage is insufficient torque at mid-range speeds.

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McJoanna

08/12/25 12:06am

Last time I was driving my friend's new car, I noticed the 'back' label. Generally, there are a few scenarios where 'back' appears in a car: if the gear shift lever has 'B' or 'BACK', it's a low gear mode, helpful for reducing brake load during downhill driving; the return button in the top-left corner of the central control screen functions like a phone's home button, often used when skipping tracks; some car keys or door panel buttons with 'back' are for remotely opening the trunk, super handy during grocery runs. The most common use is for the reverse gear, where the dashboard displays 'R' sometimes accompanied by 'back'—always remember to press the brake when shifting, and pairing it with the warning sounds from the reverse camera ensures safer reversing.

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What does car charger mean?

Car charger refers to an in-vehicle charger. Relevant introductions are as follows: 1. A car charger is a conventional in-vehicle charger powered by the car battery, widely used in the field of lithium battery charging for various portable and handheld devices. It is an accessory designed to allow car owners to conveniently charge their digital products anytime, anywhere using the car's power supply. Some high-end car chargers typically include 2 USB ports, enabling simultaneous charging for two digital devices. 2. A qualified charger must meet many requirements, the most important of which is having circuit overload protection. In the event of a short circuit, it can immediately cut off the power to prevent damage to the charging device and power source. To save costs, some small manufacturers may omit the "fuse" when producing car chargers. Additionally, some substandard car chargers fail to provide stable voltage and current, leading to fluctuations that can cause severe overheating of the charging device and charger, posing certain risks to both the phone and safety.

How often should a 5-seater car undergo annual inspection?

For a 5-seater passenger car used for commercial purposes, it must be inspected once a year within the first 5 years; after 5 years, it must be inspected every 6 months. For non-commercial passenger cars, inspections are required once every 2 years within the first 6 years; after 6 years, once a year; and after 15 years, every 6 months. Article 16 of the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China" states: 1. Commercial passenger vehicles must be inspected once a year within the first 5 years; after 5 years, every 6 months; 2. Trucks and large or medium-sized non-commercial passenger vehicles must be inspected once a year within the first 10 years; after 10 years, every 6 months; 3. Small and mini non-commercial passenger vehicles must be inspected once every 2 years within the first 6 years; after 6 years, once a year; and after 15 years, every 6 months; 4. Motorcycles must be inspected once every 2 years within the first 4 years; after 4 years, once a year; 5. Tractors and other motor vehicles must be inspected once a year.

How to Open the Engine Oil Cap?

Methods to open the engine oil cap: 1. Generally, slowly unscrew the oil filler cap counterclockwise or clockwise by 90 or 180 degrees; 2. When reinstalling the oil filler cap, lubricate the cap opening with oil from the dipstick, then smoothly tighten it in the correct direction until it is properly seated. If the oil contains excessive water, there are two possible causes: 1. The oil is substandard; 2. There is a mutual leak between the cooling water system and the oil system (e.g., a dislodged bowl-shaped plug sealing the water-oil system, missing or improperly installed sealing rings/gaskets causing poor sealing and mutual leakage); 3. Poor cleanliness at the overhaul site or improper handling by the operator, leading to water entering the oil system. A large amount of water in the oil system can cause oil emulsification, resulting in oil deterioration, rusting of internal engine components, accelerated wear of high-speed moving parts, and severely impacting the engine's lifespan.

What are the dashboard indicator lights in a car?

There are several types of dashboard indicator lights in a car: 1. Parking Brake Indicator: This light turns on when the parking brake lever (handbrake) is pulled up. It automatically turns off when the handbrake is released. In some car models, this light may also illuminate when the brake fluid is low. 2. Battery Indicator: This light shows the working status of the battery. It lights up when the ignition is turned on and turns off after the engine starts. If it doesn't light up or stays on continuously, the alternator and circuit should be checked immediately. 3. Brake Pad Indicator: This light indicates the wear condition of the brake pads. Normally, it is off. When it lights up, it alerts the driver to replace the faulty or excessively worn brake pads. The light turns off after the issue is resolved. 4. Oil Pressure Indicator: This light shows the engine oil pressure. When it lights up, it means the lubrication system has lost pressure, possibly due to a leak. The engine should be stopped immediately for inspection. 5. Coolant Temperature Indicator: This light warns of excessive engine coolant temperature. When it lights up, the driver should stop the car and turn off the engine, waiting until the temperature returns to normal before continuing to drive. 6. Airbag Indicator: This light shows the working status of the airbag system. It lights up when the ignition is turned on and turns off after about 3-4 seconds, indicating the system is functioning normally. If it doesn't light up or stays on, it means there is a fault in the system. 7. ABS Indicator: This light turns on when the ignition is switched on and turns off after about 3-4 seconds, indicating the system is normal. If it doesn't light up or stays on, it indicates a system fault. The car can still be driven at low speed, but sudden braking should be avoided. 8. Engine Check Light: This light indicates the working status of the engine. It lights up when the ignition is turned on and turns off after about 3-4 seconds if the engine is functioning normally. If it doesn't light up or stays on, it means there is an engine fault that requires immediate inspection and repair.

What causes the steering wheel to shake when braking at 100 mph?

Here are the specific reasons for steering wheel vibration when braking at 100 mph: 1. Wheel balance issue. A car's wheel is composed of a tire and a rim. When there is a problem with the wheel balance, it means the wheel is not in a balanced state during high-speed driving. If the balance data is incorrect, the wheel's rotation center will shift, causing the wheel to shake, which in turn affects the steering wheel. 2. Rim problem. If the car's rim has been impacted during previous driving, causing it to deform. Due to the deformation of the rim, the wheel may shake during driving, leading to steering wheel vibration. 3. Chassis component issue. This usually occurs in cars that have been poorly repaired after an accident. Due to the impact during the accident affecting the chassis components, steering wheel vibration may also occur.

What does it mean when the engine light comes on?

When the engine light comes on, it indicates that there is a fault in the engine that needs to be checked. The possible causes include: 1. Faulty oxygen sensor; 2. Damaged air flow sensor; 3. Carbon deposits inside the cylinders; 4. Poor-quality gasoline that does not meet standards; 5. Engine misfire. The methods to address the engine light issue are: 1. Clean the engine; 2. Use higher-grade gasoline; 3. Improve fuel quality. The impacts of the engine light coming on include: 1. Deterioration of vehicle exhaust quality and environmental pollution; 2. Increased combustion chamber temperature and accelerated wear leading to premature engine damage; 3. Engine oil consumption; 4. Increased engine noise, affecting driving and passenger comfort.

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