Thruster indicator on my screen????? How?????

My control hangs up sometimes when Im using my thrusters on my X52 (Original from 2005 but that buttons never been used until now much) and its touchy. Have to press it a certain way or it wont work and this indicator would help a lot so if someone knows how to bring this up can you please let me know? I saw it on a youtube tutorial and I must have this!! thanks guys
 
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