Amazon.com: Alpinetech PLB12MS 12mm 1/2" 12V LED Metal Signal Indicator Pilot Dash Light (Glow Plug Warning) : Automotive
Britannia Driving School - A common car light symbol on the dashboard of diesel-powered vehicles is the Glow Plug Indicator – it comes on when the engine's glow plugs are still warming
Audi Car glow plug warning light flashing - YouTube