639. AccessoriesAn extensive range of accessories is available for yourphone. You can select the accessories that best suit yourspecific communication needs.For availability, please check with your local dealer.A few practical rules for accessory operation:• Keep the accessories out of small children's reach.• When you disconnect the power cord of any acces-sory, grasp and pull the plug, not the cord.• Check regularly that all cellular phone equipment in avehicle is mounted and operating properly.• Installation of complex car equipment must be com-pleted by qualified personnel only.WARNING!Use only batteries, chargers and accessories ap-proved by the phone manufacturer for use with thisparticular phone model. The use of any other types willinvalidate any approval or warranty applying to thephone, and may be dangerous.