1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 227

not use fuel, kerosene, paint thinner, or other solvents to clean your wiper blades. These will damage your blades. To make reaching the wiper blades easy, simply turn the ignition to the ACC position and turn your wipers on. Wait for them to reach a vertical position and turn the ignition to the OFF position. Do not move the wipers manually. Manually moving the wipers across the windshield may damage them. Wiper blade replacement If the wiper blades still do not work properly after you clean them, you may need to replace the wiper blade assembly or the blade element. When replacing the wiper blade assembly, blade refill, or wiper arm always use a Motorcraft part or equivalent. To replace the blades, follow the instructions that come with them. Tires Checking Tire Pressure u Use an accurate tire pressure gauge. u Check the tire pressure when tires are cold, after the vehicle has been parked for at least one hour or has been driven less than 3 miles (5 km). specifications found on the Safety Compliance Certification Label. RWARNING u Adjust tire pressure to recommended Improperly inflated tires can affect vehicle handling and can fail suddenly, possibly resulting in loss of vehicle control. 228