Honda Civic Service Manual: Engine Cooling

Engine

...

Coolant Replacement (R18A9)

1. Radiator Cap 1. Wait until the engine is cool, then carefully remove the radiator cap. ...

See also:

Honda Civic Owners Manual. Auto Pairing Connection
When you connect an Android phone to the unit via the front USB, Android Auto is automatically initiated. Enabling Android Auto Enable Once: Allows only once. (Prompt shows again next time.) Always Enable: Allows anytime. (Prompt does not show again.) Cancel: Does not allow this consent ...