Audi S5 A5 owners manual page 195

text version of content this owner's manual page from owners manual to the vehicle Audi S5, year of production 2007:

document_0900452a81793dcc.book Seite 193 Mittwoch, 21. März 2007 5:42 17 Intelligent technology 193 Points to remember When the engine is running Starting ability has first priority. Although the alternator generates electrical power, the battery can still become discharged while the vehicle is being driven. This can Short trips, city traffic and low temperatures all place a heavy load occur when a lot of power is being consumed but only a small on the battery. In these conditions a large amount of power is amount supplied, especially if the battery is not fully charged consumed, but only a small amount is supplied. The situation is also initially. critical if electrical equipment is in use when the engine is not To restore the necessary energy balance, the system will then running. In this case power is consumed when none is being gener-temporarily shut off the electrical components that are using a lot ated. of power, or reduce the current they are consuming. Heating In these situations you will be aware that the power management systems in particular use a large amount of electrical power. If you system is intervening to control the distribution of electrical power.notice, for instance, that the seat heating* or the rear window heater is not working, they may have been temporarily switched off When the vehicle is parked for long periods or regulated to a lower heat output. These systems will be available If you do not drive your vehicle for a period of several days or weeks, again as soon as sufficient electrical power is available. the power management will gradually shut off the on-board You may also notice that the engine runs at a slightly faster idling systems one by one, or reduce the amount of current they are using. speed. This is quite normal, and no cause for concern. The increased This limits the amount of power consumed and helps to ensure reli-idling speed allows the alternator to meet the greater power able starting even after a long period. requirement and charge the battery at the same time. Please note that certain convenience features, such as the Audi advanced key*, the remote control key or the electrical seat adjust-Driver message in the instrument cluster ment may not be available when you unlock the vehicle. These func-display tions will be restored when you switch on the ignition and start the engine. If battery power drops to a level at which you may encounter prob- With the engine switched off lems when starting the engine, the following message will appear If you listen to the radio or use the other MMI functions when the in the instrument cluster display: engine is not running, this will discharge the battery. Low battery charge: Battery will be charged while driving The MMI display will show this warning message before the battery This message reminds you that the starting reliability may be power drops to a level where the starting ability is impaired.impaired. The message will disappear as soon as you set off and the Please start engine, otherwise system will switch off battery is charged. in 3 minutes. This message warns you that the system you are using will be Message comes on and goes out again switched off automatically after 3 minutes. You should therefore If the message appears in the display after the ignition is switched start the engine if you wish to continue using the system.on or while driving, and goes out again after a period of time, the Controls Safety Driving tipsGeneral maintenance Self-help Technical data

owners manual Audi S5

owners manual Audi S5 - year of production: 2007 - Audi S5 A5 owners manual EN