Charge it up and take it out of your car if you are not driving it and put in on a piece of wood on the floor. It will last longer.
__________________ 01 BO / Winter Mats / coffee cup on rear floor / crumbs everywhere / Iron Maiden Greatest Hits in CD player /Head Light washers now working! / two almost bald winter tires on the rear / 2 baby seats in back / Painted Calipers!/ Stechs
Or, you could leave it in the car on a trickle charger, the type that has protection circuits in it so it wont overcharge. Harsh climates (hot or cold) greatly affect battery life. I'm in Arizona and as a matter of choice I replace the batteries in all our vehicles batteries every two to three years. In the heat, when they go, there is no warning.
Or just start your car every week or two, let it run for a bit, move it in and out of the garage to free up your brakes and tires from the ground, eliminates the chances of the brakes seizing up on you.
2003 IS300 - Sold :(
2007 IS350 - Sold :(
2010 IS-F - Lovin' it!!! :D
hi all.....i think my battery is dead.....i put a charger on it and it will not charge above 15% and when i used one of those lighter socket battery chargers it seemed to charge it but when i tried to start it all i got was a clicking sound but no start...should i try to jump start or replace the battery...it is only 2 years old and is a factory lexus battery 84 monther.....what is the procedure for jump starting the car and also how do i take the battery out ie...pos cable remove first then negative...i am a bit of a idiot..
In sequence, one at a time, start from the "red" terminal of the dead battery, then clamp on to the red terminal of the good battery, then clamp to the black terminal of the good battery than GROUND it by clamping to any bare metal of the chassi (not engine components, I've been told those may not be grounded as they're on engine mounts) of the car with the dead battery. I'm pretty sure if you connect it to the "black" terminal of the good battery (like most people do), you stand a much likelier chance of breaking something.
Start the good car's engine, and make sure the headlights are off, to allow the maximum amount of power to get to the dead battery. Let the good car's engine run a minute or so before attempting to start the dead car. Sometimes you get lucky and the dead battery will jump start right away, sometimes it takes a few minutes. If you're lucky and have a voltmeter built into your dash on the dead car, turn the key to the accessory setting and read the voltage coming into your charging system. Ideally you want between 12 and 13.6 volts, but some cars can start at 10 volts. If your dead car's interior dome light comes on, it's a great sign that you've connected the cables right. Now shut all doors and dome lights and try to start the car. If it sounds like it's trying to crank but won't turn over completely, give it a few more minutes and rev the engine moderately on the good car. You may also need to play with the cable grips to get a better connection, and use that in dash voltmeter to its fullest if you have one. You'll get a normal sparking as you move the cables around a bit. Let's assume your engine started ok, but if it did not start, see the troubleshooting section further down this page.
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