Front Disc Brake Pad On-Vehicle Check
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.
Inspect pad linings periodically according to maintenance schedule whenever wheels are removed (for tire rotation or other reason). Take a look through hole of caliper and check lining thickness of inside pad. If one of brake pad is worn to service limit, all linings must be replaced at the same time.
Front brake pad thickness "e"
Standard: 10.0 mm (0.39 in.)
Limit: 2.0 mm (0.08 in.)