Hybrid batteries are the heart of your Toyota Camry or Toyota Prius. While these batteries are designed to last, a few smart hybrid battery maintenance tips can help extend their lifespan — especially as your vehicle reaches higher mileage. 1. Avoid Long Periods of Inactivity Hybrid batteries don’t like to sit idle. If your Toyota hybrid is left unused for long periods, the battery can slowly discharge and degrade. To prevent this: Drive your car at least once a week for 30 minutes. If storing the vehicle, park in a clean, cool and dry location (ideally a garage), and disconnect the 12v battery. 2. Keep the Hybrid Battery Cool Heat is one of the biggest threats to Toyota Camry and Prius hybrid batteries. Park in the shade or in a…