2003 Mercury Grand Marquis service schedule

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Page 146 of 248

Mercury Grand Marquis 2003  Owners Manuals To reduce the risk of electrical shock, do not use your heater
with ungrounded electrical systems or two-pronged (cheater)
adapters.
Guarding against exhaust fumes
Carbon monoxide is present in exhaus

Page 159 of 248

Mercury Grand Marquis 2003  Owners Manuals Driving while you tow
When towing a trailer:
•Turn off the speed control. The speed control may shut off
automatically when you are towing on long, steep grades.
•Consult your local motor vehicle

Page 196 of 248

Mercury Grand Marquis 2003  Owners Manuals SERVICE RECOMMENDATIONS
To help you service your vehicle:
•We highlight do-it-yourself items in the engine compartment for easy
location.
•We provide a scheduled maintenance guide which makes trac

Page 202 of 248

Mercury Grand Marquis 2003  Owners Manuals BATTERY
Your vehicle is equipped with a
Motorcraft maintenance-free battery
which normally does not require
additional water during its life of
service.
However, for severe usage or in high temperatur

Page 205 of 248

Mercury Grand Marquis 2003  Owners Manuals When the engine is cold, check the
level of the engine coolant in the
reservoir.
•The engine coolant should be at the “cold fill level” or within the “cold
fill range” as listed on the engin

Page 214 of 248

Mercury Grand Marquis 2003  Owners Manuals Fuel quality
If you are experiencing starting, rough idle or hesitation driveability
problems during a cold start, try a different brand of “Regular” unleaded
gasoline. “Premium” unleaded gaso

Page 218 of 248

Mercury Grand Marquis 2003  Owners Manuals It is important to note the box in the lower left corner of the window
sticker. These numbers represent the Range of L/100 km (MPG)
expected on the vehicle under optimum conditions. Your fuel economy

Page 219 of 248

Mercury Grand Marquis 2003  Owners Manuals permitted to intentionally remove an emission control device or prevent
it from working. Information about your vehicle’s emission system is on
the Vehicle Emission Control Information Decal located
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