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[taifunk]

A few months ago with very cold temperatures my battery went so weak that I had to take it off and recharge inside my house. My car was without battery less than 24 hours.

After putting the battery back, the problems started with my radio and display.

After ignition, some minutes pass by and all the buttons of the radio don't work. Of course the buttons on the steering wheel don't work either. Even when I switch the engine off, the radio stays on.

So the only way to get my radio to respond to me again, is to hold down the CLEAR button some seconds and then the radio unit "resets" itself. If I am lucky, it stays OK up to 5...10 minutes, but at worst case it freezes again after few seconds.

I'm not sure it is related, but my second problem is that one of the xenon lights doesn't switch on at first try, the other one is OK. Sometimes I have to try several times before both lights switch on (and I know this fast on-off is death to HID). But I have found that switching off radio, climate and hitting the revs over 2000 rpm, the problematic xenon light switches on more easily. I assume this is because the higher rpm, the higher voltage generator can produce. Also, the voltage regulator (don't know the correct term for it) can be broke.

So can you give me some advice what could be the cause of my two problems and how could I fix them? Is hitting the CLEAR button so often and resetting the radio, any way harmful? I'm also happy to answer any related questions which I can

I have NCDC 2013 with phone, GPS, color screen.

[TheBoy]

HIDs sound possibly bulb.

NCDC - does it happen if you remove the satnav disk and the CDC cartridge? (Maybe try for a week?). Failing that, remove it from car for a few hours.

[taifunk]

NCDC - I don't use sat-nav disk at all because the previous owner has probably killed the laser and no cd will play in there. I will give it a try and remove the 4-disk cartridge right a way. Can you also give me some backround info, why this problem is occuring and how can removing the cartridge or the radio itself help to solve the problem? And what about pressing the CLEAR button very often, is resetting the radio in any way harmful?

HID - Can the bulb be really broken when sometimes it works, just the it don't want to switch on quite easily? I have heard that the ballast pack can be the cause of the problems also?

[TheBoy]

NCDC - I don't use sat-nav disk at all because the previous owner has probably killed the laser and no cd will play in there. I will give it a try and remove the 4-disk cartridge right a way. Can you also give me some backround info, why this problem is occuring and how can removing the cartridge or the radio itself help to solve the problem? And what about pressing the CLEAR button very often, is resetting the radio in any way harmful?

HID - Can the bulb be really broken when sometimes it works, just the it don't want to switch on quite easily? I have heard that the ballast pack can be the cause of the problems also?

I've seen these units get hung up on trying to read disks its struggling with (normally nav disk though).  Not aware of any issues with using CLEAR, but its obviously not curing issue, hence suggestion to remove radio from car for a couple of hours.

HIDs - could be ballast, but more likely bulb, given symptoms. Could always swap bulbs over, see where fault moves to

[Dave DND]

Removing a stereo for a few hours will allow the internal software to boot up again from cold and can often be all that is needed -

Liken it to switching off the computer and switching back on again

 

[taifunk]

The cure for the radio problem was simpler than I could thought. I disconnected the battery for an hour or so and after connecting it again that freezing had disappeared.

Now I have only left to find my bravery and try to swap the bulbs . First try at the last weekend was a fail. I didn't now how to find the screws holding the bulb case and when I just removed the rubber casing behind the bulb case, I could touch the bulb, but it didn't fit through the hole where from I previously removed the rubber casing.

At least I managed to kinda find some info from the forum and will try to give it another try swapping the bulbs.

Today I also discovered that the automatic height regulating inside the HID-s are probably broken as well. After switching on the HID-s, I didn't see the lights going up and down.

Also, a big thank you for all the help guys

[RobG]

Easier to remove the headlight http://www.omegaowners.com/forum/YaBB.pl?num=1154966960