2006 Infiniti Q45 Owner's Manual - Page 178

Tire pressure rises and falls depend on heat by vehicle's traveling condition and ambient temperature. In case of low tire pressure, a message is displayed on the screen: FLAT TIRE - low tire air pressure Replacing tires with those not originally specified by INFINITI could affect the proper operation of the TPMS. WARNING When the low tire pressure warning light is on and/or a WARNING is displayed on the screen, check all tire pressures. Please refer to the "6. In case of emergency" section for repairing. If the system is malfunctioning, a WARNING for tire pressure will be indicated on the display. To confirm the details, push the "ENTER" button. When a spare tire is mounted or a wheel is replaced, tire pressure will not be indicated, the Tire Pressure Monitoring System (TPMS) will not function and the low tire pressure warning light will flash. Contact your INFINITI dealer as soon as possible for tire replacement and/or system resetting. SAA0863 WARNING DISPLAY This display will appear when the door is not securely closed while driving over 3 MPH (5 km/h). This display will disappear when the vehicle speed slows down under 3 MPH (5 km/h) even if the door is not securely closed yet. Make sure to stop the vehicle and close the door securely. 4-40 Monitor, climate, audio and voice-activated control systems