Join Date: Sep 2005
Location: Bolton, Connecticut
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Re: how to put 12V battery in sleeping mode?
Hi, prius_lam (& any new owners who may not be familiar with this proceedure),
As just suggested, turn off your Smart Key System if your car has it. Do you have the little square black buttons on the hatch & the 2 front door handles? If you don't then don't worry about it. If you do, open your driver's door & get down on your knees (so you can get a better view). At the bottom edge of the dash & just to the left of the steer'g column, you should see a little push-button. Look at its position before you touch it. I think it should be stick'g out about a half inch for the system to be on. If I'm right about the distance then push it in & see if it stays in (only stick'g out about 1/8 of an inch now). I'm not sure which position is for "on' & which is for "off" because I only do this once or twice a year. You'll know if you turned it off by trying to power the car up (without the fob in the dash, of course). Or you can close the door & see if you can lock the car by the little square black button. If neither works now, you've turned the Smart Key System off to avoid the small current drain that it uses. Now you have to lock & unlock the car doors & hatch by puhing the buttons on the fob. If your fob battery happens to be weak & not work too well, in a pinch you can always use the little metal key (hidden inside the fob) to unlock or lock the driver's door (it will lock/unlock all the doors, but only has a keyhole for the metal key in the driver's door).
If you don't normally lock your car, then as already suggested, lock it (with your fob) before you leave. If you get one short confirmation beep or chirp from your car & the lights flash, then all the doors are tightly closed so no interior lights will be on. The hatch is the one place that fools us all about being tightly closed. You think it is, but you can't see the light in the cargo area if the window shade style cargo cover is in use. When you try to lock the car if you get one LONG beep & no flash of the lights, then either a door or the hatch is still partially opened or you are still powered up (but you would have probably already noticed the triple beep when you closed the door with the power on). Interior lights that stay on will kill the undersized 12 V battery in only a few short hours.
The one thing firepa63 didn't mention was to turn your headlight switch to the "off" position (in case you normally leave it in the "on" position for "instant-on" use when you start your car). If you normally leave your lights on (even if they go out when you get out of your car), with the manual/stalk switch left in the "on" position, there is a current draw still in the headlight circuit that can kill the 12 V battery if the car isn't used for a long enough period.
Ken (in Bolton,Ct) 2005 Pkg #4 (AM)