From KL R, the battery inside the key head is charged inductively by the EWS ring antenna via a coil antenna integrated in the key. The charging process is controlled by electronic circuitry integrated in the key.
• The service life of a radio-control key used under normal conditions corresponds to the vehicle lifespan.
• If the FZV keys are not used (ie: stored in a drawer), the battery will be discharged after approx. 1.5 years.
• The time required to fully charge a discharged battery is approx. 30 hours.
• The remote control can be operated about 15 times after a charging period of approx. 30 minutes (driving time).