Battery isolator

[AT21]

Does anybody know if I fit a battery isolator, will the radio code be affected?

 

[hmadsen]

What Radio code ?

Was Radio codes not something used 20 years ago ?

 

[AT21]

What Radio code ?

Was Radio codes not something used 20 years ago ?

I don’t know about that, just that my son mentioned it.
Does that mean it will be ok?

 

[Gadget Geek]

I fitted one to mine when I got it last week and had no problems with any of the infotainment system.

 

[AT21]

I fitted one to mine when I got it last week and had no problems with any of the infotainment system.

Thanks, is it the same as one in pic?

 

[Gadget Geek]

Similar. Mine's at a right angle.

 

[AT21]

Similar. Mine's at a right angle.

View attachment 11223

Thanks for that, one more ? can you still open doors remotely?

 

[Gadget Geek]

Thanks for that, one more ? can you still open doors remotely?

I haven't tried it, but I doubt it. When the 12 volt battery dies completely, you have to use the manually key to open the door.

 

[hmadsen]

I don’t know about that, just that my son mentioned it.
Does that mean it will be ok?

Okay, as i recollect the radio codes, this was something that was used in cars ~20 years ago.

At that time the radio was usually a unit that could be pulled out of the dashboard, so they included some code that had to be entered after the radio had been without power.

Reason being, that at that time thieves broke into cars, to steal the radio, so by adding a code after it had been without power would essentially render the radio useless to a thief that did not know the code.

Nowadays, the radio is integrated into what is commonly called the HMI (Human Machine Interface), and it is more like an infotainment system.

The actual electronics is more of a small general purpose computer, with the needed chips for radio, GPS, and so on, and it is usually situated in a place, not easily accessible without taking the car apart.

Also, the HMI is usually coded together with the rest of the electronic "computers" in the car, so that it can not easily be transferred without needing coding by the manufacturer.

For this reason, they abandoned these codes, so there should be no codes, needing to be entered if you disconnect the battery.

 

[CTofW]

Interested to know what the benefits are of disconnecting the 12v battery. Why would I want to fit one of these?

 

[AT21]

Interested to know what the benefits are of disconnecting the 12v battery. Why would I want to fit one of these?

will be on holiday for a while, and the battery does discharge while the car is standing,
also a theft deterrent when away

 

[slmorgan42]

Interested to know what the benefits are of disconnecting the 12v battery. Why would I want to fit one of these?

I have purchased a spanner but was also looking at these. My reason was there has been a few posts where there has been issue with the car (some rapid charger issue) which has been fixed by disconnecting the battery for 10 mins.

With regards to leaving the car for weeks at a time I have an AA solar battery saver I was planning on using like I do got my ICE cars.

 

[slmorgan42]

Okay, as i recollect the radio codes, this was something that was used in cars ~20 years ago.

At that time the radio was usually a unit that could be pulled out of the dashboard, so they included some code that had to be entered after the radio had been without power.

Reason being, that at that time thieves broke into cars, to steal the radio, so by adding a code after it had been without power would essentially render the radio useless to a thief that did not know the code.

Nowadays, the radio is integrated into what is commonly called the HMI (Human Machine Interface), and it is more like an infotainment system.

The actual electronics is more of a small general purpose computer, with the needed chips for radio, GPS, and so on, and it is usually situated in a place, not easily accessible without taking the car apart.

Also, the HMI is usually coded together with the rest of the electronic "computers" in the car, so that it can not easily be transferred without needing coding by the manufacturer.

For this reason, they abandoned these codes, so there should be no codes, needing to be entered if you disconnect the battery.

Interestingly enough I found out the hard way my wife's 5 year old Fiat 500 still has a code. Took me ages to find it in the manual which I was lucky enough to still have.

 

[Gadget Geek]

Interested to know what the benefits are of disconnecting the 12v battery. Why would I want to fit one of these?

Quite a few of the issues posted on this forum can be fixed by disconnecting the 12 volt battery for 10 minutes.

A sort of Alt-Control- Delete for EV's.

 

[N2STY]

I have an AA solar battery saver

There quite good but if you use the cigarette lighter option it will not charge if the cigarette lighter is on the ignition live it needs a permanent live to work

 

[Striker]

Quite a few of the issues posted on this forum can be fixed by disconnecting the 12 volt battery for 10 minutes.

A sort of Alt-Control- Delete for EV's.

It's well documented that the MK1 can be reset using the 10mm spanner trick

Has anyone been successful with it on the MK2? I've seen it suggested as a fix a number of times, but I've not yet read anyone saying that it worked, I'm interested to hear opinions on this

 

[slmorgan42]

There quite good but if you use the cigarette lighter option it will not charge if the cigarette lighter is on the ignition live it needs a permanent live to work

They have two connector types, the second being an ODB2 connector. I did not realise this had constant power and could take in power as well as give.

 

[slmorgan42]

It's well documented that the MK1 can be reset using the 10mm spanner trick

Has anyone been successful with it on the MK2? I've seen it suggested as a fix a number of times, but I've not yet read anyone saying that it worked, I'm interested to hear opinions on this

There are a few post on here where that has solved issue on the MK2. This was even done by a few AA visits.

 

[N2STY]

They have two connector types, the second being an ODB2 connector. I did not realise this had constant power and could take in power as well a

The odb2 plug is a good option as long as the voltage made by the solar is higher than the battery it will charge

 

[slmorgan42]

Seems to work well on my diesel so figure will work on the EV one day I will have the car and know for sure lol