what do these dash symbols mean ?

i am just wondering what these symbols on the dials are ?? iv seen pictures on here od the one of the two sybols on the right are lite up ?? and also can you turn the gear **** beep on and off on the 200 cup ?? cheers
 

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The two on the right are the lights for speed limiter and cruise control

The one on the left is for diesels and tells you when the diesel particulate filter needs to replenish itself or something like that.
 
Are you sure? There isn't a switch down on the right hand side of the wheel, near the TCS?