Brake Light Switch Adjustment
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
Adjustment should be made as follows. Pull up brake pedal toward you and while holding it there, adjust switch position so that clearance between end of thread and brake pedal is as specified. Then lock it by turning clockwise.
Clearance between thread end of brake light switch and brake pedal
"a": 1.0 - 2.0 mm (0.04 - 0.08 in.)