Alfa Romeo Giulia GTA Owner's Handbook Manual page 224

elastic bands (1) fig. 203 and fig. 204 in
the front of the seats.
203
222
204
NOTE Do not leave the rotating buckles
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on top of the elastic band, fig. 205
205
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162) The use of 6-point harnesses is not
compatible with on-road use of the car. They
may only be used on tracks or circuits not
open to traffic. For on-road use, only utilise
the standard 3-point seat belts.
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WARNING