Why does the Evo9 perform exceptionally well?

How to Distinguish Left and Right in Rearview Mirror Images?

Distinguishing left and right in rearview mirror images requires repeated practice and experimentation. Below are specific methods to differentiate left and right in rearview mirror images: 1. Practice with reference objects: Find an open and safe area, use chalk or other objects to draw a "garage," and practice reversing into it frequently. During practice, summarize the characteristics of left and right images and memorize them. 2. Simulate with a person: Find an open and safe area, have a friend or family member stand diagonally behind the car, raise their left hand, and simulate the direction of the image in the rearview mirror. Use the rearview mirror to determine the specific left and right directions, and develop a sense of direction and position through repeated practice. 3. Combine with the central rearview mirror: When observing left and right images in the rearview mirror, also consider the direction shown in the central rearview mirror inside the car. Practice frequently with both side mirrors and the central mirror, and over time, you will be able to distinguish left and right directions in the rearview mirror.

17

4

Share

Why Are Seat Belts Damp on Rainy Days?

Seat belts become damp on rainy days due to the following reasons: 1. Humid weather: On rainy days, the air is more humid than usual, and the temperature difference between the inside and outside of the car cabin is greater. When the car is parked and the windows are closed, the temperature inside the cabin gradually decreases until it matches the outside temperature. When the cabin temperature is higher than the outside temperature, warm air flows toward the car's metal body, forming condensed water droplets around it. Since the seat belts are close to the car body and connected to the cabin interior, they also accumulate water droplets, which adhere to the belts, making them feel cool. Therefore, it is normal for seat belts to feel slightly damp on rainy days. 2. Water leakage inside the car: If there are large amounts of water droplets on the seat belts during rainy weather, or even water can be squeezed out, it may indicate a leak in the roof area on either side of the cabin. During rainy weather, you can remove the decorative panel near the seat belt inside the cabin to inspect. If a leak is confirmed, repairs will be necessary.

5

3

Share

Where is the cruise control on the Volvo S60?

Volvo S60 cruise control buttons are generally integrated into the steering wheel or the stalks on both sides. The following are the conditions for using the cruise control function: 1. In principle, cruise control should be used on highways or fully enclosed roads, as complex road conditions on non-enclosed roads are not conducive to traffic safety. On national highways, some tractors lack sufficient power and often rush onto the road at small intersections, posing a serious threat to vehicles on the highway. In cruise control mode, it is easy to be caught off guard. Repeated braking also cannot maintain a stable cruise control state, losing the meaning of cruise control. 2. It is prohibited to use in rainy weather, snowy or icy conditions, or when there are too many vehicles on the road. 3. It should be disabled on winding mountain roads or roads with too many curves. This is because, under normal circumstances when exiting a curve, it is necessary to appropriately accelerate to provide greater steering force. In cruise control mode, the vehicle automatically maintains a constant speed, with the throttle controlled by the onboard computer, which often poses a danger when driving on curves. Under such conditions, the speed should be appropriately controlled.

2

4

Share

What Causes Brake Disc Vibration When Braking on Rainy Days?

Reasons for clicking sounds when braking in the rain: 1. Fine sand carried by rainwater adheres to the brake discs. In humid weather or when there is a large temperature difference between day and night, condensation or post-rain rust forms on the brake discs, equivalent to tiny particles. Car brake pads can be categorized as hard or soft. Hard pads are more wear-resistant, but if there are tiny particles between hard pads and gray cast iron brake discs, sharp noises may occur. A few brake applications will wear off these small particles. 2. The break-in period for new cars, where brake pad break-in is a crucial part. It usually takes several hundred kilometers of driving before the brakes feel more comfortable. Newly replaced brake pads also require a break-in period to better integrate with the old discs. Initially, the brakes may feel very stiff, and it typically takes several hundred kilometers of driving before they improve. 3. While driving, very small sand particles may get between the pads and discs, sometimes causing abnormal noises due to friction. This situation generally does not require repair; driving for a while will allow the small sand particles to fall out. 4. Missing or damaged brake disc mounting screws can also cause abnormal braking noises. 5. Brake system malfunction, which requires inspection and repair.

10

4

Share

Reasons for the Engine Oil Pressure Warning Light to Illuminate

The engine oil pressure warning light is an alert indicator for engine oil. When illuminated, it signifies that the oil level and pressure are below standard values. The reasons for the engine oil pressure warning light to illuminate are as follows: 1. Insufficient engine oil volume can reduce the oil pump's output or prevent it from pumping oil due to air ingress, leading to a drop in oil pressure. This results in increased wear on the crankshaft and bearings, as well as the cylinder liners and pistons due to inadequate lubrication. 2. Oil pump failure occurs when the drive gear's key or the drive shaft's key is damaged or disengaged, or when the oil strainer is damaged, allowing debris to enter and jam the pump gears, stopping the pump and reducing oil pressure to zero. In such cases, the damaged key or strainer should be replaced. 3. Oil pump wear, where excessive clearance between the pump shaft and bushing, gear end face and pump cover, or gear side and radial clearance due to wear, reduces oil output and lowers oil pressure. 4. Overheating of the engine, caused by excessive scale in the cooling system, poor heat dissipation, prolonged overload operation, or delayed fuel injection timing, accelerates oil degradation, thinning, and leakage through clearances, reducing pressure. To address this, remove scale, adjust fuel injection timing, and ensure the engine operates within its rated load capacity.

17

3

Share

What is the purpose of the 12V socket in the trunk?

The 12V socket in the car trunk is used for: connecting to 12V electrical appliances such as car refrigerators, car vacuum cleaners, projectors, etc. Here is additional information: 1. Check if the charger is damaged: Whether the charging parameters meet the requirements: the initial charging current should reach 1.6-2.5A per cell; the maximum charging voltage should reach 14.8-14.9V per cell, the charging to floating charge transition current should reach 0.3-0.4A per cell, and the floating charge voltage should reach 14.0-14.4V per cell. 2. Check if the battery is dry inside: Whether the battery is severely lacking in electrolyte, and also check if the plates have irreversible sulfation. The irreversible sulfation of the plates can be determined by measuring the change in terminal voltage during charge and discharge. During charging, the battery voltage rises very quickly, with some cell voltages being particularly high, exceeding normal values by a lot; during discharging, the voltage drops very quickly, and the battery does not hold or holds very little charge. If the above conditions occur, it can be judged that the battery has irreversible sulfation.

19

4

Share

Why does the Evo9 perform exceptionally well?

How to Distinguish Left and Right in Rearview Mirror Images?

Why Are Seat Belts Damp on Rainy Days?

Where is the cruise control on the Volvo S60?

What Causes Brake Disc Vibration When Braking on Rainy Days?

Reasons for the Engine Oil Pressure Warning Light to Illuminate

What is the purpose of the 12V socket in the trunk?

Why doesn't the reversing radar beep on rainy days?

What Causes the Steering Wheel Lock in a Ford Focus?

Does rainy weather affect car paint touch-ups?

How many kilometers should SUV tires be replaced?