1997 Pontiac Grand Prix Owner's Manual - Page 317
1997 Pontiac Grand Prix Manual
Page 317 highlights
Check Tire Pressure System Equipped) (If The check tire pressure system can alert you to a large change in the pressurein one tire. The system won't alert you before you drive that a tire is low or flat. Each time you start your Pontiac, you must drive 10 to 20 miles (15 to 30 km) before the system will work properly. After you've driven 10 to 20 miles (15 to 30 km), the CHECK TIRE PRESS light will come on if the pressure in o'netire becomes at least 10 psi (69 kPa) higher or lower than the other three tires. The check tire pressure system won't alert you if the pressure in more than one tire is low or high, or if the system is not calibrated properly. If the anti-lock brake system warning light comes on with the CHECK TIRE PRESS light, the check tire pressure system isn't working. Seeyour dealer for service. (Also, see "Anti-Lock Brake System Warning Light" in the Index.) The check tire pressure system detects differences in tire rotation speeds that are caused by changes in tire pressure. It will not alert you if the pressure in more than one tire is low or high. The system can alert you about a low tire -- but itdoesn't replace normal tire maintenance. See "Tires" in the Index. When the CHECK TIRE PRESS light comes on, you l should stop as soonas you can and check al your tires for darnage. (If a tire is flat, see "If a Tire Goes Flat" in the Index.) Also check the tire pressure in four tires as soon all as you can. See "Inflation - Tire Pressure" in the Index. The light will stay on until you turn off the ignition or press the CALIBRATE TIRE PRESS button. Don't press the CALIBRATE TIRE PRESS button without first correcting the cause of the problem and If checking and adjusting the pressure in all four tires.you press the button when the pressures are incorrect, the tire and check tire pressure system will not work properly may not alert you when a tire is or high. low Any time you adjust a tire's pressure have a tire or repaired or replaced, you'll need calibrate thecheck tire to pressure system. You'll also need to calibrate the system whenever you buy new tires or have repaired. tires 6-47