Fiat 500L Owner's Handbook Manual page 57

Warning light What it means
GLOW PLUG PREHEATING FAILURE (Diesel versions)
The warning light will flash (on some versions, together with a message and a symbol on the display) to
indicate a fault in the plug preheating system.
In this case, contact a Fiat Dealership as soon as possible.
LPG FUEL RESERVE (LPG versions)
(for versions/markets, where provided)
The warning light switches on when the residual quantity of LPG in the cylinder goes below 1/5 of the
capacity. The display will also show a dedicated message.
METHANE RESERVE (Natural Power versions)
The warning light switches on when the residual quantity of methane in the cylinder goes below 1/5 of the
capacity. The display will also show a dedicated message.
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