How do you adjust the tension on gear selector cables on a Renault laguna?

To adjust the tension on gear selector cables in a Renault Laguna, first, ensure the vehicle is in neutral. Locate the cable adjustment points, typically found near the gear lever and the transmission. Loosen the lock nuts, then adjust the cable length by turning the adjustment nuts until the desired tension is achieved. Finally, tighten the lock nuts and test the gear selection to ensure smooth operation.