2005 Buick Rendezvous Owner's Manual - Page 194

Low Tire Message Door Ajar Warning Message United States Canada United States Canada Your vehicle may have the check tire pressure system which can alert you to a large change in the pressure of one tire. After the system has been properly calibrated, the low tire pressure message will come on and a chime will sound if a pressure difference, or low pressure, is detected in one tire. The message will stay on until you turn off the ignition or reset (calibrate) the system. See Check Tire Pressure System on page 5-62. If the anti-lock brake system warning light comes on, the check tire pressure system may not be working properly. See your dealer for service. Also, see Anti-Lock Brake System Warning Light on page 3-45. This message will come on when the ignition is turned to ON or START and the driver's or passenger's door is open. Rear Hatch Ajar Warning Message United States Canada This message will come on when the ignition is turned to ON or START and the liftgate is open. 3-56