Battery fluid level inspection and correction procedure for Smart fortwo 450/451 models with plug and acid level details.

Service manual page showing battery (G1) fluid level check and correction steps with warning about hydrogen gas and caustic burns.

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See all Electrical figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.