Acura 2007 MDX - Owner's Manual - Manual (Page 394)

If the reserve tank is completely
empty, you should also check the
coolant level in the radiator.
If the coolant level in the reserve
tank is at or below the MIN line, add
coolant to bring it up to the MAX line.
Inspect the cooling system for leaks.
Always use Honda Long-Life
Antifreeze/Coolant Type 2. This
coolant is pre-mixed with 50 %
antifreeze and 50 % water. Never add
straight antifreeze or plain water.
If Honda Long-life antifreeze/
coolant is not available, you may use
another major-brand non-silicate
coolant as a temporary replacement.
Make sure it is a high-quality coolant
recommended for aluminum engines.
Continued use of any non-Honda
coolant can result in corrosion,
causing the cooling system to
malfunction or fail. Have the cooling
system flushed and refilled with
Honda Long-life antifreeze/coolant
as soon as possible.
Engine Coolant
Adding Engine Coolant
390
MAX
MIN
Removing the radiator cap
while the engine is hot can
cause the coolant to spray out,
seriously scalding you.
Always let the engine and
radiator cool down before
removing the radiator cap.
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