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 Car Remote Key Battery, Honda City 2017

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Zaryl
post Mar 26 2019, 01:42 PM

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From: Kedah Khap Khoun Khap (4K)
QUOTE(O-haiyo @ Mar 26 2019, 09:41 AM)
Hi Guys,

This morning when starting my car, it give me alarm sound and display on the dashboard that my car remote key battery level is low. My question is:

1. How long normally a key battery can last? It's weird that my first key lasted for about 1.5 years while the spare key lasted only for a few months?
2. How long can I still use the remote key until it totally be dead (after the warning)?
3. If the battery is dead, and I open the car manually (using key), will there be alarm sound?
Thanks.
*
Honda city 2017 key fob is ALWAYS TRANSMITTING signal, including your spare key fob.

hence the battery will definitely drain out throughout the year.

better standby a CR1616 button 3V lithium battery to replace it.
Zaryl
post Mar 26 2019, 02:20 PM

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From: Kedah Khap Khoun Khap (4K)
QUOTE(O-haiyo @ Mar 26 2019, 02:15 PM)
Seriously bro? doh.gif
*
yup it's true.

i read somewhere on local car forums not long ago (forgot the site though) . one guy got open the fob and check the circuitry with lab equipments and he finds that the signal always transmitting.

there's no way to turn it off manually though.
Zaryl
post Mar 26 2019, 04:46 PM

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From: Kedah Khap Khoun Khap (4K)
QUOTE(abubin @ Mar 26 2019, 04:42 PM)
It doesn't make sense for them to transmit the signal all the time. That is a security issue already because people can use signal scanner to intercept the signal and hack the alarm.

https://www.cbs17.com/news/investigators/ca...ists/1326439455

Hmm..maybe this is technology for new cars or those with keyless start?
*
yes, for keyless start engine modern cars.

your honda city 2017 is one of them right?

come to think of it, if the fob does not transmit signal all the time, then how your car is going to open for you when coming near to the car?
unless we use the old remote control with button then it is another story.
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