WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
Check brushes for wear.
Measure length of brushes and if below limit, replace brush.
Brush length
Standard: 12.3 mm (0.48 in.)
Limit: 5.3 mm (0.21 in.)
Fig 1: Measuring Brush Length
Courtesy of SUZUKI OF AMERICA CORP.
Install brushes to each brush holder and check for smooth movement.