2004 SEAT Alhambra

Electrical problem
2004 SEAT Alhambra 4 cyl Front Wheel Drive Manual 750000 miles

my headlights are for uk use and I am taking the alhambra to France and need the lights set for driving on the right. The lens is clear apart from the side lights and indicator.I can see a hex adjustment screw on each lamp and a mark saying 10% + or - is this an adjustment for driving on the right.I am unable to see how replacing a clear lens would alter the lamp throw.
April 3, 2010.

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