• CanBUS, so once voltage drops below the required range, nothing will work as the brake light is unlikely to be a circuit that gets power all the time the ignition is on (even when low batt), hazards probably will though

  • Ah makes sense.
    Jump start power pack I bought didn’t have enough juice to turn it over properly but everything electronic fired up ok so I assume it is just the battery. Picking a trickle charger up later so hopefully that’s it.

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