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When we bought the car, we encountered errors on the EPB and AUTO HOLD panel and, as a result, a non-working electronic handbrake. During diagnostics, the scanner complained about the rear left electric motor. But through experience, we managed to find out that it works, and we also additionally disassembled the handbrake control unit (which is located on the central tunnel) and then a surprise awaited us: a PILE OF GARBAGE and OXIDIZED CONTACTS were found in the unit. We cleaned all this stuff and voila! Our electronic handbrake is BACK IN SERVICE!)