Honda Civic manuals

Honda Civic Owners Manual: Checking the Coolant

Checking the Coolant

  1. Check the amount of coolant in the reserve tank.
  2.  If the coolant level is below the MIN mark, add the specified coolant until it reaches the MAX mark.
  3.  Inspect the cooling system for leaks.

Engine Coolant

WARNING Removing the reserve tank 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 reserve tank cap.

NOTICE Genuine Honda engine coolant is a 50/50 mixture of antifreeze and water that can withstand freezing at temperatures as low as about −31F (−35C). If your vehicle is consistently subjected to temperatures below this, the concentration of antifreeze in the coolant should be increased. Consult a dealer for details.

If Honda antifreeze/coolant is not available, you may use another major brand of non-silicate coolant as a temporary replacement. Check that 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 antifreeze/coolant as soon as possible.

Engine Coolant
Specified coolant: Honda Long Life Antifreeze/Coolant Type 2 This coolant is premixed with 50% antifreeze and 50% water. Do not add any straight antifreeze or water. We recommend you check the en ...

Adding the Coolant
Make sure the engine and radiator are cool.  Turn the reserve tank cap 1/8 of a turn counterclockwise and relieve any pressure in the cooling system.  Push down and turn the ...

See also:

Honda Civic Owners Manual. How the Front Airbags Work
While your seat belt restrains your torso, the front airbag provides supplemental protection for your head and chest. The front airbags deflate immediately so that they won't interfere with the driver's visibility or the ability to steer or operate other controls. The total time for inf ...

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