Charging, replacing, disconnecting and connecting the battery – At the end of charging: Switch off the charging device, then unplug the power from the sock- et. Please refer to and on page 165 and and at the start of the chapter on page 179. – At this point, remove the electrode clamp of the charging device. – Close the cover on the positive terminal. – Close the bonnet. → page 165 Replacing the 12-volt vehicle battery The 12-volt vehicle battery has been developed to suit the conditions of its installation location and has special safety features.
If you must re- place the battery, you should consult qualified workshop about the electromagnetic compatibil- ity, size, maintenance, capacity and safety fea- tures of the new battery before purchasing the battery.Volkswagen recommends using a Volks- wagen dealership. Only maintenance-free 12-volt vehicle batteries compliant with the standards TL 825 06 and VW 750 73 should be used. These standards must be dated October 2014 or later. Fig. 144 Engine compartment: port for charging device or auxiliary starting cable If you suspect that the 12-volt vehicle battery is damaged or faulty, go to a correspondingly quali- fied workshop and have the 12-volt vehicle bat- tery checked.
Volkswagen recommends using a Volkswagen dealership. The 12-volt vehicle battery must always be re- placed by a workshop qualified to do this, as the vehicle electronics must be adapted as part of the replacement process. Only workshops quali- fied to do this have the technology required to carry out this adjustment and also the correct re- placement batteries. Charging the 12-volt vehicle battery As the technology used in factory-fitted 12-volt vehicle batteries requires voltage-limited charg- ing. → . The 12-volt vehicle battery should be charged by a correspondingly qualified work- shop.
Disconnecting the 12-volt vehicle battery , please note the following if the 12-volt vehicle battery has to be disconnected from the electri- cal system in the vehicle: Precondition: Only use the charging equipment of maximum charging voltage 14.8 volts. The connecting cable of the battery remains connec- ted. – Switch all electrical consumers off. – Unlock the vehicle before disconnecting the battery. The battery is located in the engine compart- ment. – First disconnect the negative cable and then the positive cable → . – Switch all electrical consumers off. – Open the bonnet.
→ page 165 Connecting the 12-volt vehicle battery – Switch all electrical consumers off before con- necting the 12-volt vehicle battery. – Lift the cover plate on the positive termi- nal. → Fig. 144 – First reconnect the positive cable and then the negative cable → . – Clamp the electrode clip of the charging de- vice to the proper grounding position on the vehicle body and the positive terminal + of the battery according to the regulations. Various indicator lamps may light up after the 12-volt vehicle battery has been connected and the ignition is switched on. They will go out if you drive a short distance at a speed of around 15 km/h to 20 km/h.
If the indicator lamps stay 182.5C1.TRO.74 – Plug the power cable from the charging device into the power outlet and switch on the de- vice. Checking and refilling 181