1998 Buick Regal Owner's Manual - Page 142

Low Coolant Warning Light If this light comes on, your system is low on coolant and the engine may overheat. See "Engine Coolant" in the Index and have your vehicle serviced as soon as you can. LOW COOLANT After the system has "learned" tire pressures with properly inflated tires, the LOW TIRE light will come on if the pressure in one tirebecomes 12 psi (83 kPa) lower than the other three tires. The tirepressure monitor system won't alert you if the pressure in more than one tire is low, if the system is not yet calibrated, or if the vehicle is moving faster than 70 mph (110 k d h ) . When the LOW TIRE light comes on, you should stop as soon as you can and check all your tires for damage. (If a tire is flat, see"If a Tire Goes Flat" in the Index.) Also check the tire pressure in all four tires as soon as you can. See "Inflation - Tire Pressure" in the Index. The light will stay on until you turn off the ignition or reset the system. See"Tire Pressure Monitor System" in the Index. The LOW TIRE light also comes on briefly when you turn the ignition key to RUN. If the light doesn't come on then, have it fixed so it will be there to tell you if the pressure in a tire is low or high. The light will come on briefly when your ignition is turned on to show you that it is working properly. Low Tire Light (If Equipped) The tire pressure monitor system can alert you to a large change in the pressure in one tire. LOW TIRE 2-68