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The Greek letter "lambda" is the symbol for wavelength.
An uppercase Lambda, Λ, which was the Greek Letter L. It looked like an upside down V, and stoop for Laconia, which was the part of Greece the Spartans were from. Spartans often had the Lambda painted on their shields.
Lambda is the Greek letter L (which looks like an upside down letter V). The land owned by Sparta was called Laconia, and the Spartans were called Lacedaemonians.
I am assuming you need to know what a dashboard symbol means. What does the symbol look like?
On all Volvos equipped with an O2 sensor you'll find a dashboard light that looks like an upside-down 'y'. This is the Greek letter Lamda, which is Volvo's name for their O2 sensor based emissions control system. Usually the Lambda light only comes on during startup, but major problems (faulty sensor, faulty computer, catastrophic engine failure) can trigger the Lamda light. In newer Volvos you'll usually get a "Check Engine" code first, so don't ignore it, because when the Lamda light comes on you need to fix it ASAP!
I believe that would be the one stating your coolant level is low.
The reason in my case was a faulty lambda-sound.
You may be talking about a lamp which has the symbol ( unable to show ) like symbol omega with a circle . Any piece of metal which heats will emit light
Which Yellow light, what does the symbol look like
Engine Warning Light
it is the wavelength. the wavelength as the name suggests is the length of the wave. this can be applied in the formula V=F x wavelength. in which F is the frequency of the wave. the symbol for wavelength is the greek symbol lambda and looks like the half life symbol
Check all lights Stop, Tail, Head, Parking