Luminous or flashing brake warning light - the information!

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Brake warning lamp Display symbol 1 Luminous or flashing brake warning lamp the information!

The following are the possible Causes of a illuminated or flashing brake warning light explained. If the brake warning lamp lights up, the first thing to do is to check whether the hand brake maybe still dressed. If this is not the case, or if the light is still on or flashing after the handbrake is released, this indicates Problem with the braking system down. The ad should be you no way to ignore. What can be a possible source of error will now be explained.

the brake warning light

Brake warning lamp Display symbol 2 Luminous or flashing brake warning lamp the information!

The brake warning light is usually a light in the instrument cluster, typically as a red circle with an exclamation mark is shown in the middle. There are also two more circles on the left and right sides of the lamp. Depending on the manufacturer, the luminaire can also have the addition "Brake" or "Brake / braking system" etc. be supplemented. If this lamp is active, it can be red or yellow to shine. It can also be red or yellow flash. The brake warning lamp lights up when the handbrake is applied permanent in red, because when starting the journey - and applied handbrake - the braking system can be damaged. Therefore, the first thing you should check the handbrake is whether it is resolved. If the handbrake is released and the red light should not goes out, can the following causes are possible.

  • The brake fluid level is too low.
    - RISK: Air bubbles can arise
    - WHAT TO DO? Top up liquid "to let"
  • The brake fluid level sensor is damaged.
    - risk: 
    False positives. Real problems are not recognized.

    - WHAT TO DO? Replace sensor
  • One or more of the brake lines may be leaking.
    - RISK: Braking system can fail partially or completely
    - WHAT TO DO? Replace lines
  • Defective instrument cluster
    - RISK: False alarms and further failures
    - WHAT TO DO? Check fault memory, replace instrument cluster
  • The brake system (especially the pads) can be worn out.
    - RISK: The intermediate layer of the brake lining can rub on the brake disc and create contact between the lining backing plate and the brake disc.
    - WHAT TO DO? Check the brake lining and, if worn, replace it, and the discs as well, if necessary
  • The handbrake contact switch is defective.
    - RISK: False positives. Real problems are not recognized.
    - WHAT TO DO? Have the contact switch replaced.
  • One or more ABS sensors are defective.
    - RISK: ABS function partially or completely without function.
    - WHAT TO DO? Have the ABS sensor repaired or replaced.
  • Brake contact switch is defective.
    - RISK: Brake lights at the rear light up continuously or do not work.
    - WHAT TO DO? Have the brake contact switch repaired or replaced.

Sometimes it can happen that the brake warning light comes off together with the ABS warning light shines. In a workshop, the first step for analysis is usually read out the fault memory. Also finds a Visual inspection of the braking system on the lifting platform. Last is the problem - if determined - professionally fixed.

Warning light while driving!

When the brake warning light while driving suddenly lights up or flashes red, the vehicle should immediately (not jerkily or hastily) stopped and then taken to a workshop. It is possible that the brake system is no longer working properly and the vehicle is a danger to the occupants and other road users failed .

TUeV general inspection control HU AU Luminous or flashing brake warning light the information!

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