Headliner Removal and Installation (4-door except Natural Gas models)
Trunk Side Trim Panel Removal and Installation (Except Natural Gas models)Honda Civic Owners Manual. 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 reserve tank cap
counterclockwise to remove it.
Pour coolant into the reserve tank until ...