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What does the exclamation mark in cruise control mean?

1 Answers
StephenRose
07/30/25 9:14am
There are five possible scenarios when an exclamation mark appears on the car dashboard: general malfunction, automatic transmission failure, brake system failure, abnormal tire pressure, and lighting malfunction. Below is a detailed analysis of these five situations: General malfunction: A triangle with an exclamation mark inside indicates that the car's general performance, components, or functions have malfunctioned. Common issues include parking sensor failure, fuel cut-off system intervention or malfunction, external light failure, or engine oil pressure sensor failure. It is necessary to visit a 4S shop for inspection to identify the source of the problem. Automatic transmission failure: A yellow gear with an exclamation mark inside is the automatic transmission warning light, indicating a transmission malfunction or transmission fluid level below the normal range. The transmission fluid should be replaced promptly. Brake system failure: A circle with parentheses and an exclamation mark in the middle represents a brake system warning, typically indicating a brake system malfunction or low brake fluid level. Immediate inspection of the brake system is required to avoid accidents. Abnormal tire pressure: A horizontal line with parentheses below and an exclamation mark in the middle is the tire pressure monitoring warning light. It lights up when the tire pressure is too low. Check the tire pressure and restore it to the normal range. Lighting malfunction: A yellow bulb with an exclamation mark is the lighting malfunction indicator, signaling a problem with the car's lights. Solution: Visit a 4S shop for inspection as soon as possible, or conduct a self-check, focusing on commonly used bulbs such as turn signals, fog lights, and interior lighting to identify the issue.
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What are the hazards of having smaller front tires and larger rear tires?

It affects the vehicle's performance, comfort, and steering, and in severe cases, it can compromise driving safety and lead to traffic accidents. The design of larger front and smaller rear tires is unscientific. Most cars use front-wheel steering, and excessively wide front tires can make steering difficult and increase the burden on the steering mechanism. If the vehicle is rear-wheel drive, the resistance will increase when the rear wheels propel the car. If it is front-wheel drive, the front wheels bear the dual burden of steering and driving, making the load very heavy. Therefore, larger front and smaller rear tires will increase fuel consumption and damage the vehicle, regardless of whether it is front-wheel or rear-wheel drive. Relevant information about tires is as follows: 1. Function: Smaller front and larger rear tires are generally used in rear-wheel-drive vehicles. This is because rear-wheel-drive vehicles require greater traction from the rear wheels to prevent tire spin after power is transmitted. The front wheels are steering wheels, and reducing their size allows for more flexible steering control by minimizing friction during turns. 2. Specifications: If the original four tires are of the same specification and are replaced with two front tires of one specification and two rear tires of another, it will affect the vehicle. Different tire specifications on the front and rear axles can result in varying traction or differences in the outer diameter of the tires, leading to handling or mechanical issues, especially in four-wheel-drive vehicles.
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Why does the car feel sluggish when stepping on the accelerator?

Here are the reasons why the car feels sluggish when stepping on the accelerator: 1. Clutch problem: If the engine speed increases when you step on the accelerator but the car doesn't move, it indicates a clutch issue. 2. Throttle cable problem: If the engine speed doesn't increase when you step on the accelerator, it means no fuel is being injected, which could be due to a fuel supply system issue or a throttle cable problem. 3. Intake system problem: When experiencing sluggish acceleration, you should check if the intake system is intact. If it is, consider whether the intake system needs cleaning. Here are some extended details on related content: 1. Power: Power delivery is primarily achieved through the combined operation of the intake system, fuel supply system, and related electronic circuits and components. Therefore, when experiencing sluggish acceleration, you can check these three areas to determine if they are affecting acceleration performance. 2. Avoid flooring the accelerator: Flooring the accelerator only reduces driving time by 4%, but increases fuel consumption by 37%-40%. On typical city roads, the speed is usually maintained at around 50 km/h, with engine speed generally between 2000-2500 rpm. On highways, the speed is usually between 90-110 km/h. For every 10 km/h increase in speed, fuel consumption increases by 10%.
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Introduction to the Button Functions of GAC Trumpchi M6 Pro

Here is the introduction to the button functions of GAC Trumpchi M6 Pro: 1. Left side of the gear lever: On the left side of the gear lever, there are buttons for the driver's seat heating, driving mode adjustment, hazard warning lights, etc. 2. Left side of the air conditioning: Below the left air vent, there are several control buttons, including the vehicle stability system, hill descent control, and panoramic camera. 3. Lower left side of the steering column: On the lower left side of the steering column, there are buttons for opening the fuel tank cap and the engine compartment hood. 4. Near the steering wheel: The buttons on the left side of the steering wheel correspond to functions such as song switching, audio source switching, voice control, answering, hanging up, mute, and volume adjustment. The right side of the steering wheel is the cruise control area, with buttons for switching the trip computer pages, turning the cruise function on/off, resuming/setting speed, and setting/decreasing speed. Above the interior rearview mirror, there are buttons for turning on the interior light, opening/closing the sunshade, activating the interior light with the door, controlling the sunroof, emergency assistance, and road rescue.
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Jetta VS5: Should I Use 92 or 95 Octane Gasoline?

Jetta VS5 requires 95 octane gasoline. According to the manufacturer's specifications, the Jetta VS5 should be fueled with 95 octane gasoline, as it provides better protection for the engine. More details are as follows: 1. The type of gasoline to use should follow the manufacturer's recommendations. Car owners do not need to choose the gasoline grade based on the compression ratio. There is no fundamental difference in quality between 92 and 95 octane gasoline, and neither contains fuel impurities. 92 octane gasoline consists of 92% isooctane and 8% n-heptane, while 95 octane gasoline consists of 95% isooctane and 5% n-heptane. 2. During the design phase of a car engine, the required gasoline grade is determined based on the compression ratio. The compression ratio is a crucial structural parameter of the engine, representing the ratio of the gas volume when the piston is at the bottom dead center (start of compression) to the gas volume when the piston is at the top dead center (end of compression). From the perspectives of power and fuel efficiency, a higher compression ratio is generally better. A high compression ratio improves power output, thermal efficiency, and enhances vehicle acceleration and top speed.
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What to Do If You Accidentally Chip Another Car's Paint When Opening the Door?

If there is no paint chipped, there are specialized dent repair shops that can fix it without touching the paint. If the paint is chipped, you can go anywhere for repair—fix the small dent and then repaint it. More relevant information is as follows: 1. Car Painting: Car painting refers to applying a layer of paint to the car's surface to protect it. Car painting generally uses baked paint. In car manufacturing plants, after the frame and body are welded, the next step is painting. Types include regular paint, metallic paint, and pearl paint. The car painting process includes applying putty, sanding, painting, etc. 2. Car Scratches: Generally, car scratches are divided into three levels: minor scratches on the body, damage to the body's surface paint, and damage to the body's primer or even deformation. For the first case, where there are minor scratches on the body, it’s not suitable to file an insurance claim, and going to a professional car beauty shop seems unnecessary. In this case, you can perform a DIY touch-up. You need to purchase a touch-up pen kit online with the same color code, which includes all necessary tools such as sandpaper, putty, polish, etc. The price of such a kit varies, and it’s recommended not to go for the cheapest option as the quality may not be guaranteed. The touch-up process doesn’t take too long, usually around two hours to complete.
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Which consumes more fuel, 1.5T or 2.0 naturally aspirated?

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