Porsche Carrera 911 997 owners manual page 264

text version of content this owner's manual page from owners manual to the vehicle Porsche Carrera 911, year of production 2004 - 2011:

Battery care Checking the electrolyte fluid level Slow battery charging f Ensure that battery is securely mounted. The acid level should be checked more frequently Your authorized Porsche dealer will be pleased to by a qualified specialist workshop during the sum-advise you about a suitable charger. f Keep terminals and connections clean and mer months and in predominantly warm countries.1. Always observe the instructions of the charger properly tightened. manufacturer. Corrosion can be prevented by coating the ter-Battery charging Depending on the type of charger, the battery minals and connections with petroleum jelly or Automotive batteries loose their efficiency when may have to be disconnected. silicone spray. not in use. In this case, always disconnect the negative f Ensure that vent caps are securely tightened to The charge available in your battery can be meas-lead first, and then the positive lead – risk of prevent spillage. ured with a battery hydrometer. short circuit! We recommend that the battery voltage be tested by your authorized Porsche dealer who has the ap-Reconnect the leads in reverse order. propriate equipment. 2. Before charging, cold batteries must be If the car is not driven for prolonged periods, the warmed up indoors. battery must be charged at least every 6 weeks. 3. Frozen batteries must be thawed out first A discharged battery allows rapid formation of sul-before being charged. fates, leading to premature deterioration of the plates. 4. When charging, ensure that there is adequate ventilation. Warning! 5. Connect the charger to the battery. Hydrogen gas generated by the battery Only plug into the mains and switch the could cause an explosion, resulting in charger on when it is connected up correctly. serious personal injury or death. 6. Switch on the charger. f Charge battery in a well ventilated area. 7. After charging, switch off the charger first and f Never charge a frozen battery. It may explode then disconnect it. because of gas trapped in the ice. Allow a fro- fPlease see the chapter “PUTTING VEHICLE zen battery to thaw out first. INTO OPERATION” on Page 263. f If you get electrolyte, wh ich is an acid, in your eyes or on your skin, immediately rinse with cold water for several minutes and call a doc- tor. 262 Practical Tips, Emergency Service

owners manual Porsche Carrera 911

owners manual Porsche Carrera 911 - year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - Porsche Carrera 911 997 owners manual EN