What does the brake pad warning light look like?

1 Answers
LeRemington
07/29/25 9:25pm
Depending on the vehicle model, the brake warning light may display different patterns, but most commonly it appears as a red bulb with an exclamation mark. Here is some information about the braking system: Brake Pads: Also known as brake linings, they are the most critical safety components in a vehicle's braking system. The effectiveness of all braking actions is largely determined by the brake pads. Brake pads are typically composed of a steel plate, an adhesive heat-insulating layer, and a friction block. The heat-insulating layer is made of non-heat-conductive materials to prevent heat transfer. Friction Block: Consists of friction materials and adhesives. When braking, it is pressed against the brake disc or drum to create friction, thereby achieving the effect of slowing down or stopping the vehicle.
Was this review help?
7
0
Share
More Forum Discussions

What should I do if the engine warning light is on in a Livina?

If the engine warning light is on, you can follow these steps: First, check if the engine is running normally. Look for issues such as shaking, black smoke, or difficulty starting. If any of these problems are present, avoid restarting the engine. Note: If the red warning light is on, do not restart the engine under any circumstances. If the engine is running normally and the car can be driven, visit a service station as soon as possible to diagnose the issue. The service station can easily read the fault codes using a portable diagnostic tool, allowing for targeted repairs based on the fault information. If the engine is running normally, the owner can also try gently reconnecting all wiring harness connectors, as a loose connection might be the cause. Alternatively, repeatedly turning the key to the ON position may reset the warning light. Generally, the engine warning light may illuminate due to the following seven reasons: Sensor failure: This includes sensors such as the coolant temperature sensor, crankshaft position sensor, air flow sensor, intake temperature sensor, and oxygen sensor. If these sensors are damaged, poorly connected, or their signals are interrupted, the car's ECU cannot accurately obtain engine data, triggering the warning light. Fuel or oil quality issues: If fuel or engine oil is not added according to the manufacturer's specifications, it may cause engine wear and trigger the warning light. Poor combustion of the air-fuel mixture: Poor combustion can lead to engine carbon buildup or knocking. When detected by the oxygen sensor and reported to the ECU, the warning light will illuminate. Issues such as faulty spark plugs, ignition coils, fuel pumps, or clogged fuel lines can cause poor combustion. Turbocharger issues: Problems with the intake boost system or turbocharger can also trigger the warning light. The most common issue is a damaged turbocharger, often accompanied by symptoms such as oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake issues: If the car's intake system is compromised, it may lead to clogged engine passages, potentially triggering the warning light. A dirty or uncleaned air filter can cause intake problems. Exhaust issues: Exhaust system faults can also cause the warning light to illuminate. Common causes include faulty rear oxygen sensors, catalytic converters, exhaust camshafts, or bearings. The catalytic converter is the most frequent culprit, often due to the use of leaded gasoline, lead- or silicon-containing lubricant additives, physical damage, or fuel system issues. Anti-theft system malfunction: If the car's electronic anti-theft system fails or the anti-theft controller does not match the engine's electronic controller, the anti-theft system may prevent the engine from operating normally, triggering the warning light.
11
5
Share

What is the wading depth of a Subaru Forester?

The maximum wading depth of a Subaru Forester is 600mm. The wading depth of a Subaru Forester is determined by the height of the vehicle's chassis, which is the ground clearance listed in the model's parameter configuration table. Generally, the greater the ground clearance, the higher the chassis, and the higher the safety factor when passing through waterlogged roads. Therefore, in terms of safe wading depth, the advantages of off-road vehicles and SUVs are obvious. However, for most compact and small cars with low chassis, the position of the vehicle's air intake should be used as a benchmark when passing through waterlogged roads. If the air intake of a Subaru Forester is below the water level during wading, water will be sucked into the engine's cylinders. Since water cannot be compressed like air, it can cause severe damage to the engine's mechanical components (such as connecting rods, pistons, crankshafts, etc.). Therefore, the wading depth must not exceed the height of the engine's air intake. The height of the engine's air intake, and thus the maximum wading depth, can also be increased by installing a snorkel. If wading is unavoidable, the following safe and correct operations should be performed: Before wading, always turn off the auto start-stop function to prevent the vehicle from automatically restarting after stalling in water, which could cause severe engine damage due to water ingress. Assess the underwater road conditions based on the passage of preceding vehicles and choose an appropriate entry point. Observe the path taken by other vehicles and follow it at a low speed, avoiding sudden acceleration or deceleration. On roads prone to waterlogging, observe warning water level markers, trees, or the wheels and doors of other vehicles as reference points to judge the water depth before deciding whether to proceed. Be aware of your vehicle's safe wading depth. If the water depth exceeds half the height of the tires or the engine's air intake, do not proceed and choose an alternative route instead.
20
4
Share

Where is the appropriate place to install ETC?

For small cars, the ETC device is generally installed on the upper middle part of the front windshield, while for large vehicles such as trucks and buses, the installation position is on the lower middle part. The suitable installation height should be no less than 1.2 meters and no higher than 2.5 meters, with an installation angle between 30 and 90 degrees. For vehicles with factory-installed or aftermarket explosion-proof film, which may affect the signal transmission of the microwave communication link, the ETC device should be installed in the microwave window area. ETC stands for Electronic Toll Collection. To apply for an ETC device, you need to provide the original and photocopy of the vehicle owner's valid ID card and vehicle registration certificate. If the application is handled by a proxy, the proxy's valid ID card is also required. The photocopy of the vehicle registration certificate should include the page with the most recent annual inspection seal. Additionally, a bank card for deducting highway tolls is required, and the vehicle must be registered under the name of an individual aged between 18 and 60. Here are some precautions for installing ETC: Do not obstruct the driver's view. It is best to install the ETC device behind the rearview mirror: Many car models have a steeply inclined windshield, which can reduce the driver's field of vision. Installing the ETC device without considering this may increase the driver's blind spots. Installing it on the right side behind the rearview mirror can help avoid obstructing the view. Do not interfere with charging: The ETC electronic tag consumes power but generally does not require charging or battery replacement because it has a solar panel on the back for self-charging. Therefore, during installation, avoid the blackened areas on the windshield and positions that may block the solar panel. Once installed, do not remove it arbitrarily: The button in the middle of the adhesive is an anti-tamper lever connected to a switch. After installation, the windshield will press the anti-tamper lever in. If the device is removed arbitrarily, the lever will pop out and trigger the switch, locking the electronic tag and rendering it unusable. In such cases, you will need to visit an ETC service point to unlock it. This mechanism is designed to prevent multiple vehicles from sharing one device. When using ETC, note the following: The ETC transaction sensing range is 8 meters. To prevent the ETC device of the vehicle in front from malfunctioning, maintain a distance of more than 10 meters from the vehicle ahead to avoid automatic toll deduction for the preceding vehicle. The speed limit for ETC lane recognition is 20 kilometers per hour. Driving too fast may result in failure to read the vehicle's device information, leading to toll deduction failure. If a debit card is linked to the ETC, insufficient balance may also cause toll deduction failure.
2
1
Share

Car Shows Yellow Engine Light

There are several reasons why a car's engine light turns yellow: 1. Dirty engine cylinders with carbon deposits: After a certain period of use, the engine will inevitably accumulate carbon deposits. These deposits can alter the engine's design parameters and, due to their unstable nature and heat retention, can cause uncontrolled ignition, leading to engine knocking. 2. Poor engine combustion: Oxygen sensors are installed in the engine to monitor combustion conditions. If the combustion state is poor, the engine warning light will illuminate.
15
3
Share

What is the difference between 95 gasoline and 92?

95 gasoline and 92 have the following differences: 1. Different octane numbers: 92 gasoline is 92% isooctane and 8% n-heptane; 95 gasoline is 95% isooctane and 5% n-heptane. 2. Different amounts of carbon deposits: The same amount of 92 gasoline and 95 gasoline will produce different amounts of carbon deposits, but the difference is not significant. 3. Different prices: Due to the different octane content, 95 gasoline with a higher octane number is more expensive than 92 gasoline. 4. Different anti-knock properties: The higher the octane number, the better the anti-knock performance.
18
2
Share

Why Does the Engine Noise Increase After Changing the Oil?

There are several reasons why the engine noise may increase after an oil change: 1. The oil does not meet the standard or is overfilled: When the oil in the engine cylinder is too full, it creates unnecessary resistance to the crankshaft's rotation, affecting power output, increasing fuel consumption, and allowing more oil to enter the combustion chamber. This leads to increased carbon deposits in the combustion chamber, raising piston movement resistance and reducing engine power. 2. Choosing the right oil viscosity: It's essential to select the appropriate oil based on the engine and vehicle manual. 3. Carbon deposits: Moderate carbon buildup can affect performance because old oil becomes thinner with use, leading to more carbon deposits over time.
18
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.