Audi A4 B8 owners manual page 265

text version of content this owner's manual page from owners manual to the vehicle Audi A4, year of production 2008 - 2015:

document_0900452a81b1b9de.book Seite 263 Donnerstag, 26. Juli 2007 9:16 09 Checking and topping up fluids 263 Changing brake fluid When required, the brake fluid should be changed by a For the sake of the environment competent mechanic with the proper equipment. If the fluid has to be drained out of the brake system, use an appro- priate container to catch the used brake fluid and dispose of it in the Brake fluid gradually absorbs moisture from the atmosphere. If the proper manner. water content in the brake fluid is too high, this may cause corrosion in the brake system over time. In addition, the boiling point of the Battery brake fluid will be considerably reduced. This could adversely affect the braking ability in certain circumstances. For this reason the brake fluid must be changed periodically.General notes Your vehicle's Service Schedule will tell you when the brake fluid has All work on batteries requires specialist knowledge. to be changed. The battery is virtually maintenance-free. It is checked as part of the It is advisable to have the brake fluid changed as part of a regular Inspection Service. Inspection Service at your Audi workshop. They are fa miliar with the We recommend that you replace a battery once it is older than 5 procedure and have the necessary special tools and spare parts as years. well as the proper facilities for disposing of the old fluid. Use only the genuine brake fluid specified by the factory Qualified When an airbag is triggered, the battery will, under certain circum- workshops know that the brake fluid “DOT 4” is approved by Audi. stances, be disconnected from the on-board power supply for The brake fluid must be fresh and unused. safety reasons ⇒ in “General notes on airbag system” on page 201. WARNING Disconnecting the battery • Brake fluid is poisonous; store it in the sealed original container If the battery is disconnected, some of the vehicle's functions will become inoperative (e.g. electric windows). These functions will in a safe place out of reach of children. require resetting after the battery is reconnected. For this reason, • Heavy use of the brakes may cause a vapour lock if the brake the battery should only be disconnected from the vehicle's electrical fluid is left in the system for too long. This would seriously affect system when absolutely necessary. the efficiency of the brakes and th e safety of the car – risk of acci-If the vehicle is not used for long periods dent. If you do not drive your vehicle for a period of several days or weeks, the power management will gradually shut off the on-board Caution systems one by one, or reduce the amount of current they are using. Please note that brake fluid will attack the paintwork on contact.This limits the amount of power consumed and helps to ensure reli- able starting even after a long period ⇒ page 226. Controls Safety Driving tips General maintenance Self-help Technical data

owners manual Audi A4

owners manual Audi A4 - year of production: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 - Audi A4 B8 owners manual EN