How long can you let a hybrid car sit?

three monthsThe consensus is that leaving a hybrid with nickel-metal-hydride batteries such as yours stored for three months should be okay, but four-five months might be pressing it a bit. With the car shut off, there is no parasitic drain on the main battery so it will retain a charge for a long time.Jan. 11, 2013How long can a hybrid sit unused in the garage? - The Globe and Mail