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Old 12-06-2018, 02:41 PM
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Ghost in the wires? Hazard Lights

So I started the X5 up to warm up before heading out on a family outing and when we came outside the hazard lights were flashing on the exterior. But not he interior. Pressing the button on the centre did nothing. The turn signal column didnít change it either. I turned it off and let it sit for a second and Ben turned it back on. When I got it turned back over it continued for about five seconds and then stopped. Now everything is fine. Hazard button works. Turn signal works.

First time Iíve ever seen this.
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Old 12-06-2018, 04:58 PM
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I had the same problem a month or two ago. It went away after about five minutes of driving with my hazards on. But ever since then, my key fob has not worked except on the hatch, and I haven't had time to troubleshoot it yet. Do your key fobs work alright still?
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Old 12-06-2018, 05:17 PM
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The hazard buttons are a common failure point on the X5, as well as the E46 3 series which shares the same button. Might not be the problem... but it's cheap to replace.
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Old 12-06-2018, 06:12 PM
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Back in 2008 for no apparent reason my flashers went off when we stopped for food on a family trip. I heard my alarm going off and went out and turned off the alarm but the flashers remained on. I couldn't get them to turn off. We ended up continuing our trip down the freeway with flashers on. I tried left turn signal, right turn signal, 4 way flasher button repeated times and then they just stopped after 2 or 3 minutes. No rhyme, no reason. Never ever had it happen again in the last 10 years. I'm going with the "ghost in the wires" theory.
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Old 12-08-2018, 01:59 PM
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My Keyfob has been dead as long as I have owned the vehicle... I saw another thread saying dying battery may be the culprit. But it hasn't happened again since.
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Old 12-08-2018, 08:08 PM
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Mine was acting crazy and like mentioned it was the hazard button. When you pull it out of the console look to see if its separating at the rear of the switch. That's how you tell if its "coming apart" and messing up.
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Old 12-08-2018, 09:03 PM
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If it was the actual hazard button causing, I'd expect the signal lights on the dash to be flashing too.

As they aren't and the only condition that flashes the hazards on the exterior only (no dash lights) is the alarm activation, I'd guess this is something fruity with the alarm system. Maybe some sort of indication that the hood switch is failing...?
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