What to know about the Proton X50
The X50 runs a Stop-Start system that demands an EFB or AGM battery. Replacing with a conventional battery will trigger Stop-Start errors and shorten battery life significantly due to overcharging cycles.
Warning signs
ADAS lane assist / AEB warning light on cold start
360-degree camera slow to load
Stop-start system disabling itself
PEPS keyless system intermittent
How it works
Coverage
FAQ
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