Started on yesterday, when i first cranked the TL, clicking sound behind the steering wheel occured. about 5-6 clicks, then it went away. Today, while driving on highway, it occurred several times at random times. At first, thought it was linked to the A/C, but after cranking the vehicle once again, with the a/c off, it still occurred. Any ideas as to why this is clicking or object is stuck? Below are some photos...





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