Audi A3  Service and care  Checking and topping up fluids
Checking brake fluid level
The brake fluid level must be between the MIN and MAX marks Fig. 2.
If the level goes down noticeably in a short time, or drops below the MIN mark, there may be a leak in the brake system. Obtain professional assistance. The brake fluid level is also monitored by a warning lamp in the instrument cluster Link.
In right-hand drive vehicles the brake fluid reservoir is on the other side of the engine compartment.
Changing brake fluid
Your vehicle's Service Schedule will tell you the regular intervals at which the brake fluid is due for renewal. We recommend that you have the brake fluid changed by a qualified workshop during a service.
  • Brake fluid is poisonous; it must be stored in the sealed original container in a safe place out of the reach of children.
  • Heavy use of the brakes may cause a vapour lock if the brake fluid is left in the system for too long. This would seriously affect the efficiency of the brakes and the safety of the car – risk of accident!
Brake fluid must not be allowed to come into contact with the vehicle's body, otherwise it will attack the paintwork.

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