Key out of Battery

benben said:
Yeah I hear idling isnt the best thing for the engine. no real solid reasoning behind it though. it was perfectly fine and didn't overheat. Maybe this idling thing is a myth?
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Not as myth when it comes to idling for long periods. Idling at lights for a few minutes just wastes fuel, but left for a couple of hours can easily overheat the engine and many components, despite the fan running. Some run rich and wash the bores with fuel causing wear (not likley on Zeds) There are also many comments about engines not working well without load and excessive bearing wear run at low speed at the top and bottom points of the crank bearings.

It's another of those things you can do and if there was no catastrophic failure say 'it made no difference', but who knows longer term what wear was caused.
 
Well I've just ordered a new battery for my spare key.

It was that or order a new key at £150+ from the stealer.

Better get my soldering iron out.
 
is there any way to check the battery without taking the key apart?

using an inductive charger sounds great but i'd not be convinced my battery had charged unless i could test it some how
 
SUUNTOBOB said:
I alternate my keys every month to keep them both charged up :thumbsup:
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great in theory :thumbsup: , some people however only use their cars every so often, quite a few people park them up over winter
 
Taz said:
is there any way to check the battery without taking the key apart?

using an inductive charger sounds great but i'd not be convinced my battery had charged unless i could test it some how
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No way to test it that I know of, other than just pressing it to see if the door unlocks.
Even if flat then all you need to do is open the door by key. Alarm will go off, key in ignition to stop the alarm then drive the car. It'll charge from there.
 
I repair multiple keys per day from owners who have attempted a battery change there self and done more damage than good.

1st tip is, when cutting the key open, try not run t a blade down the sides as the tip usually cuts the small resistors from the board.

2nd tip is, be very careful with copper antenna coil. They are very sensitive and if damaged, your car won't start any more.

And try not to get super glue everywhere inside the key when putting it back together. I use a new case and when repairing a key to avoid the glue.
 
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