How to Deal with the Tachometer Not Returning to Zero After Engine Shutdown?

How Long After the Car Overheats Can the Radiator Cap Be Opened?

The radiator cap should only be opened using a safe method more than 15 minutes after the car has been parked. The working principle of the radiator cap is that when the car is running, the coolant temperature rises, increasing the pressure inside the radiator. When the pressure reaches a certain level, the pressure valve is pushed open, allowing the coolant to flow into the adjacent overflow tank. Then, when the car stops running and cools down, the vacuum in the cooling system draws the coolant back from the overflow tank into the radiator. Here is some relevant information about car overheating: Handling method: Avoid turning off the engine immediately when the water temperature is high. When the car's water temperature is too high, the cooling system's water pump is driven by the engine. Turning off the engine stops the pump, preventing the coolant from continuing to circulate. At this time, all parts of the engine remain at high temperatures, and if they are not effectively cooled, the engine may be damaged. Precautions: A triangular warning sign must be placed after parking. If the car "boils over" on the road, remember to place a triangular warning sign 50-100 meters behind the car after parking on the roadside to alert oncoming vehicles to avoid it. On highways, the placement distance of the warning sign should be increased to at least 150 meters.

17

5

Share

Can Blind Spot Monitoring Be Installed Afterwards?

Blind spot monitoring can be installed afterwards. When changing lanes, if there is a vehicle approaching from behind, the blind spot monitoring system will alert the driver to ensure safe lane changing. However, it's important to note that blind spot monitoring is only a warning device and cannot assist in completing the lane change maneuver. Blind spot monitoring can also be referred to as blind spot detection. This system typically consists of hidden sensors in the rear of the vehicle and indicator lights at the base of the A-pillar or other methods to alert the driver of approaching vehicles from behind. For both novice drivers and even experienced ones, due to vehicle design limitations, the visual range provided by side mirrors always has some blind spots. Since drivers cannot constantly turn their heads (which would actually increase driving danger), the blind spot monitoring system was developed.

11

2

Share

What are the differences between Emgrand and Vision?

Emgrand and Vision differ in the following aspects: 1. Body dimensions: The Emgrand measures 4632mm in length, 1789mm in width, 1470mm in height, with a wheelbase of 2650mm. The Vision measures 4599mm in length, 1747mm in width, 1482mm in height, with a wheelbase of 2615mm. 2. Powertrain differences: The new Emgrand is equipped with a 1.3T GeTec DVVT turbocharged engine, featuring front-wheel drive, with a maximum power output of 98kW. The turbo engages at 1800 rpm, delivering a peak torque of 185Nm at 2000 rpm. The new Vision comes with a 1.5L DVVT high-efficiency engine, which utilizes DVVT intelligent continuous variable valve timing technology for both intake and exhaust. It delivers a maximum power of 80kW and a peak torque of 140Nm at 4400 rpm, paired with either a reliable 5-speed manual transmission or an intelligent automatic transmission. 3. Distinct characteristics: The Emgrand embodies the brand values of excellence, stability, and prestige, representing Geely's development direction in safety, energy efficiency, and environmental protection. The Vision features Geely's family-style design language, including the signature water ripple grille, complemented by a blade-style hood and a shark-mouth lower grille.

6

4

Share

Is a Car Sunshade Mat Necessary?

Car sunshade mats are necessary as they prevent direct sunlight from hitting the dashboard and also reduce glare from the dashboard that could impair the driver's vision. Precautions for using sunshade mats: 1. Some dashboards are made of soft plastic, and using a sunshade mat with low-quality adhesive may cause corrosion. It is advisable to purchase genuine sunshade mats. 2. If the sunshade mat emits an odor after prolonged exposure to sunlight, it may be a substandard product and should be replaced immediately. 3. Choose a sunshade mat specifically designed for your car model, ensuring that necessary gaps are maintained to avoid interfering with airbag deployment.

20

0

Share

What are the benefits of waxing a vehicle?

The benefits of waxing a vehicle include: 1. Regular waxing makes it difficult for rainwater to adhere to the car's surface, preventing acid rain from corroding the paint; 2. The thin layer formed by waxing reflects light, avoiding paint aging; 3. Waxing prevents the generation of static electricity and reduces the attachment of charged dust to the car; 4. It has a polishing effect, enhancing the brightness of the paint and making the car appear newer. There are various types of car wax on the market, including solid and liquid forms, with different qualities and performances. Each type of wax has different effects and outcomes, so it is essential to choose carefully. Improper selection may not only fail to protect the vehicle but could also cause the paint to discolor.

15

2

Share

What does emergency lane photography mean?

Emergency lane photography refers to the monitoring of vehicles to ensure they do not occupy the emergency lane without valid reasons. The emergency lane is designated for emergency parking of vehicles encountering sudden incidents on highways. Unauthorized use of the emergency lane, if captured by cameras, will result in penalties. Emergency lanes are primarily located on both sides of highways and expressways, serving vehicles involved in engineering rescues, firefighting, medical emergencies, and official duties handling urgent matters. No vehicles are allowed to enter the emergency lane arbitrarily. When a vehicle encounters an emergency and needs to use the emergency lane, it should park within the lane, immediately turn on the hazard warning lights, and place a warning sign 150 meters behind the vehicle.

13

0

Share

How to Deal with the Tachometer Not Returning to Zero After Engine Shutdown?

How Long After the Car Overheats Can the Radiator Cap Be Opened?

Can Blind Spot Monitoring Be Installed Afterwards?

What are the differences between Emgrand and Vision?

Is a Car Sunshade Mat Necessary?

What are the benefits of waxing a vehicle?

What does emergency lane photography mean?

What are the differences between the Touareg and the Teramont?

What is the positioning of the Tiguan L model?

What to Do When the Luxgen Trunk Won't Open?

What Are the Causes of Car Air Conditioning Compressor Failure?