How to Understand Traffic Signals?

What happens if you start the car without shifting to neutral?

It mainly depends on whether it's an automatic or manual transmission. Manual transmission vehicles are unaffected. The consequences of starting an automatic transmission car in neutral and the correct method for parking and turning off the engine are as follows: 1. Turning off the engine in neutral poses no issues for the car. The engine should only be turned off in N (neutral) or P (park) gear. Turning off the engine in D (drive) or R (reverse) gear can damage the transmission. The prerequisite for neutral is ensuring the car is on level ground to prevent rolling. 2. The correct method for parking and turning off the engine is to first shift from the driving gear to N gear, pause for 0.5-1 second in N gear, then directly shift to P gear, and finally apply the handbrake. 3. This operation ensures the gearshift doesn't switch twice consecutively. The action should be smooth, as each gear has a detent. Although you pass through R gear, you're not actually shifting into R gear.

3

Share

Why does the hood of the Tiguan pop open automatically?

Volkswagen Tiguan engine overheating, the reasons why the hood automatically pops open are as follows: 1. Insufficient coolant: Prolonged water circulation during engine operation can cause the coolant in the engine cooling system to gradually deplete, leading to insufficient water in the radiator. If the owner fails to promptly inspect, detect, and replenish the coolant, it can easily result in engine overheating, causing the hood to automatically pop open. 2. Cooling fan malfunction: Damage to the cooling fan or short circuits in the wiring can cause the fan to stop working or operate at a slow speed. This prevents the engine's heat from dissipating, naturally causing the engine temperature to rise and the hood to automatically pop open.

1

Share

How many liters of transmission fluid does the Teana require?

Nissan Teana 2.0 transmission fluid model is NS2, generally using Nissan's CVT-specific fluid. The Teana 2.0 typically requires 4L-5.5L of transmission fluid for a change. Related details are as follows: 1. Replacement interval: Transmission fluid generally needs to be replaced every two years or every 40,000 kilometers for automatic transmissions, while manual transmissions typically require fluid changes within 60,000 kilometers. The amount of transmission fluid replaced each time depends on the vehicle model and replacement method. 2. Replacement method: When replacing automatic transmission fluid, usually the transmission fluid pan screw is removed to drain the old fluid before adding new fluid, which only replaces about 70% of the old fluid. For a complete replacement, it's necessary to visit a local major service center to use a fluid exchange machine, which can replace over 90% of the old fluid.

4

2

Share

What are the criteria for replacing brake pads?

Here is the relevant introduction about the criteria for replacing brake pads: 1. Replace the front brake pads approximately every 30,000-50,000 kilometers, and the rear brake pads every 60,000-100,000 kilometers. 2. The specific replacement cycle should be based on the standard values required by the car manufacturer. 3. Whether the brake discs need to be replaced can be determined according to your driving habits. 4. The thickness of new brake pads is about 1.5 centimeters. When they wear down to one-third of their original thickness or less than 5 millimeters, they should be replaced promptly. Notes: 1. If you hear a metal grinding sound when braking, it may indicate that the brake pads have worn down to the minimum thickness, and the limit indicators on both sides of the brake pads are touching and grinding against the brake discs, producing abnormal noise. Immediate replacement is necessary. 2. If the brake pedal feels light, or you experience difficulty braking or insufficient braking power, it indicates severe wear and insufficient thickness of the brake pads, which also requires prompt replacement.

11

4

Share

Do You Need to Return to Neutral When Shifting from First to Second Gear?

When shifting from first to second gear in a manual transmission, you do not need to return to neutral. Here are some fuel-saving tips for driving a manual transmission car: Choose the Right Fuel: Select high-quality fuel and avoid using inferior gasoline. Choose routes with less traffic, as congested roads inevitably lead to higher fuel consumption. Drive a well-broken-in car, as such vehicles generally have lower power output and consume less fuel. Skilled driving by the owner is key to saving fuel. Reduce the Weight of Objects in the Car: Reducing the weight of objects inside the car can also lower fuel consumption. Adjust tire pressure to the optimal level, as low tire pressure increases fuel usage. Change the engine oil regularly to prevent internal components from lacking power and consuming more fuel. Use the air conditioning sparingly, as it also increases fuel consumption. Try to maintain a steady speed while driving. Avoid Frequent Lane Changes: Avoid frequent lane changes, as this can destabilize tire pressure, leading to higher fuel consumption. Keep windows closed on highways; at high speeds, more air enters the car, increasing the vehicle's burden and raising fuel consumption.

4

3

Share

How Many Layers Does Automotive Paint Consist Of?

Automotive paint consists of 4 layers. They are the electrocoat layer, primer surfacer layer, basecoat layer, and clearcoat layer. Electrocoat layer: The electrocoat layer can be approximately considered as the paint layer directly attached to the steel body panel, so it is also called the primer. Primer surfacer layer: The primer surfacer layer is an intermediate layer between the electrocoat layer and the basecoat layer, applied by robots using primer surfacer paint. Basecoat layer: The basecoat layer, as the name suggests, is the colored paint layer that provides the most direct color perception, whether it be red, black, kingfisher blue, Pittsburgh gray, cashmere silver, or supersonic quartz white. Clearcoat layer: The clearcoat layer is the outermost layer of automotive paint, a transparent layer that can be directly touched with fingertips. Automotive paint maintenance methods: Remove dust from the vehicle body before use, rinse the car promptly after rain, avoid washing the car under scorching sunlight, use dedicated neutral running water for car washing, wipe gently from top to bottom along the water flow direction, promptly remove contaminants such as asphalt and bird droppings, and avoid frequent paint polishing.

6

4

Share

How to Understand Traffic Signals?

What happens if you start the car without shifting to neutral?

Why does the hood of the Tiguan pop open automatically?

How many liters of transmission fluid does the Teana require?

What are the criteria for replacing brake pads?

Do You Need to Return to Neutral When Shifting from First to Second Gear?

How Many Layers Does Automotive Paint Consist Of?

Can 2000 Grit Sandpaper Be Used to Polish Car Glass?

Is it necessary to drain the fuel when replacing the fuel pump?

Is BASF Happy Run Really Effective?

Which lane should be used when driving between 90 and 110 km/h?