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An amber coiled spring: a diesel is preheating, wait before starting.
Also known as: Glow plug light, Diesel preheat light, Curly line on dashboard
A curly line like a hot wire. On a diesel it lights while the glow plugs warm the cylinders and goes out when the engine is ready to crank, which is why it is an instruction rather than a warning.
An amber tell-tale shaped like a coiled filament, indicating that a diesel engine's glow plugs are preheating the combustion chambers. The engine should be cranked once it goes out.
What this lamp means on a particular vehicle, and what to do about it, is in that vehicle's handbook. The symbol names the system; it does not diagnose the fault.
Contexts: Vehicle dashboard
If it stays lit after starting, or flashes, it is no longer reporting preheating but a fault in the glow plug or engine management system.
What this lamp means on a particular vehicle, and what to do about it, is in that vehicle's handbook. The symbol names the system; it does not diagnose the fault.
A short horizontal line coiled into two or three loops, like a spring seen from the side.