2009 Nissan GT-R Owner's Manual - Page 107

AUDIBLE REMINDERS Key reminder chime A chime will sound if the driver side door is opened while the ignition switch is pushed to the ACC position or pushed to the OFF or LOCK position with the Intelligent Key left in the Intelligent Key port. Make sure the ignition switch is pushed to the OFF position, and take the Intelligent Key with you when leaving the vehicle. even if the brake pedal is not depressed. Have the brakes checked as soon as possible if the warning sound is heard. Light reminder chime A chime will sound when the driver side door is opened with the light switch in the or position and the ignition switch in the ACC, OFF or LOCK position. Turn the light switch off when you leave the vehicle. Parking brake reminder chime A chime will sound if the vehicle speed is above 4 MPH (7 km/h) with the parking brake applied. Stop the vehicle and release the parking brake. Brake pad wear warning The disc brake pads have audible wear warnings. When a brake pad requires replacement, it will make a high pitched scraping sound when the vehicle is in motion. This scraping sound will first occur only when the brake pedal is depressed. After the wear of the brake pad is increased, the sound will be heard all the time 2-30 Instruments and controls