Suzuki vitara 4 wheel drive quit working?

If your Suzuki Vitara's four-wheel drive has stopped working, it could be due to several issues. Common causes include a malfunctioning transfer case, damaged driveshafts, or problems with the vacuum system that engages the four-wheel drive. It's also possible that there are issues with the control switch or electrical connections. A thorough diagnostic check by a qualified mechanic can help identify the exact problem and necessary repairs.