What to know about the Proton X70
The X70 has an ISG Integrated Starter Generator variant. Do NOT fit a conventional flooded battery — it must be EFB or AGM rated. Using a non-ISG battery on an ISG model causes the alternator to overcharge and damages the battery within months.
Warning signs
Stop-start system error or disabled warning
Infotainment system freezes or reboots
Keyless entry range reduced
Sunroof or electric seat moves unusually slowly
How it works
Coverage
FAQ
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