Tightening: pull up on the handle.
Loosening: pull up on the handle slightly, press the button with your thumb and push the lever down.
Apply the parking brake firmly before leaving the vehicle. To achieve greater braking force while applying the parking brake, depress the brake pedal and keep it depressed.
If the parking brake is not fully released, the brake warning light will illuminate when the ignition is on.
Before driving, make sure the parking brake is fully released and the brake warning light is off.