Precautions in Wheels & Tires Servicing: Studs
WARNING: This page is about a different car, the 2004 Suzuki XL-7, 2004 Suzuki Grand Vitara, 2003 Suzuki XL-7, and 2003 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
If a broken stud is found, replace it referring to WHEEL BEARING & HUB or REAR AXLE BEARINGS & OIL SEAL (GRAND VITARA, VITARA & XL-7) for Note and Replacement procedure.