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The advanced key is an electronic access and authorisation system.

To unlock and start the vehicle, you only have to have the key with you – there's no need to look for it and take it out of your pocket.

As soon as the driver carrying the key stops within approx. 1.5 metres of the vehicle and moves his/her hand towards the door handle, the key is identified by means of a proximity sensor in the vehicle door and a radio pulse generator in the key housing.

The vehicle is automatically unlocked when the door handle is pulled. For unlocking and starting the vehicle, the advanced key can stay in the driver’s pocket.

If you only wish to open one specific door – without releasing the entire locking system – you can set the advanced key function accordingly via the MMI, if installed. Incidentally, the luggage compartment is unlocked independently.

Article source: www.audi.co.uk

Upgrade to 48-volt electrical system will enable forthcoming models to exhibit even more Vorsprung durch Technik

• Important building block in electrification strategy
• More voltage and more power for new technologies
• Scalable platform concept suitable for wide-ranging uses

In anticipation of a raft of new technological innovations which will pave the way for even more compelling production cars, Audi is to upgrade part of its vehicle electrical system from twelve to 48 volts. The move represents another technical building block for facilitating the integration of advanced new systems without jeopardising corresponding increases in engine performance and efficiency.

“We are using the full bandwidth of electrification in our drive principles strategy. Running part of the vehicle electrical system at 48 volts plays a central role in this,” commented Prof. Dr. Ulrich Hackenberg, Member of the Board of Management for Technical Development at Audi. “It enables us to make more energy available. That paves the way for new technologies with which we can make our cars more sporty, more efficient and more convenient to use.”

Audi recently showcased the scope of the 48‑volt electrical system in the Audi A6 TDI concept and RS 5 TDI concept technology demonstrators. Both models are fitted with an electrically powered compressor. This operates independently of the engine load and therefore fundamentally improves the accelerative performance. 48‑volt technology is also ideal for realising convenience systems for dynamic chassis control. Audi will shortly be unveiling a variety of applications in this field.

The current state of the art technology has taken 12‑volt electrical systems to their very limits. Especially at low temperatures, all the various static‑load consumers can account for the entire power generated by the alternator, which can deliver up to three kilowatts. The battery power is no longer capable of meeting the demands of new, dynamic‑load consumers such as high‑performance electric compressors.

The solution is a second subsidiary electrical system running at 48 volts, to complement the 12‑volt power supply. The higher voltage means smaller cable cross-sections are needed; this translates into lighter cable harnesses with lower power dissipation. The 48‑volt electrical system features new storage technologies and delivers much more power than the 12‑volt system with lead batteries. That makes it an important element of the Audi strategy of electrifying various stages of the drivetrain. The Group’s developers have already come up with a scalable platform concept, including a version that incorporates the electrically powered compressor.

In the current highest development version, a compact lithium‑ion battery supplies 48 volts as the energy source during engine‑off phases; a DC/DC converter integrates the 12‑volt electrical system. The lithium‑ion battery operates in conjunction with a new, efficiency-optimised alternator that qualifies the drivetrain as a mild hybrid. Within this concept there are diverse ways of starting, controlling and deactivating the combustion engine as needed. The powerful alternator achieves an energy recovery output of ten kilowatts, far more than is possible at present. That adds up to a saving of up to ten grams of CO2 per kilometre, equivalent to around 0.4 liters of fuel per 100 km.

Article source: www.audi.co.uk

A new take on the Audi TT - five-door Sportback concept headlines in Paris

Open-top version of all-new Audi sports car retains classic roadster format but sets new class standards for agility, efficiency and in-car technology

Wheels with run-flat tyres let you continue driving after a puncture for between 30 and 50 km, depending on the Audi model.

Wheels with run-flat tyres allow you to drive on with a punctured tyre. Instead of changing the wheel or waiting for help in a blind bend or on the motorway, you can continue your journey as far as the next repair workshop.

The run-flat distance is between 30 and 50 kilometres, depending on the Audi model. The tyres are able to run flat due to a reinforced sidewall. The increased sidewall strength prevents the tyres from becoming dislodged and being destroyed in the event of pressure loss. It also improves directional stability when a tyre is running at zero pressure.

Wheels with run-flat tyres replace the spare wheel.

Article source: www.audi.co.uk