every 7500 miles or 12 months
brake linings should be checked at 15,000 and 25,000 miles and then every 5,000 miles after that.
With each brake job.
The brake system along with a complete safety inspection of the vehicle should be done at each oil change (aprox every 5K or once a year).
The whole vehicle should have a safety inspection every service.
In order to keep the HVAC system running efficiently, it should be checked at least annually. Keeping it serviced yearly, will keeping the system in top shape.
DailyDaily
monthly
Commercially speaking, in the UK they have to be checked annually, and signed.
Remove the brake rotor and have it checked at a reputable auto parts retailer. Rotors often warp with age, especially if they have been overheated.
There is no "set" mileage for this procedure. Due to widely varying driving styles and useage of the vehicle, some brakes may need replacing after a few thousand miles while others may not need it for many thousands of miles. Your brake system should be checked periodically to determine your specific need.
It is recommended to rotate brake rotors every time you replace brake pads, which is typically every 30,000 to 70,000 miles, to ensure optimal performance and longevity of your vehicle's braking system.
Every time it is worn!