it allows you to lock your trunk when you have to give someone else (mechanic, valet, etc) the key.... you use the master key in that hole and surrender the valet key to protect items in your trunk when someone else has your car
Under the carpet in the front passenger floor board.
Look under the carpet below the glove box on the upper floor board.
On the passenger side floor board under your carpeting and a metal plate where you rest your feet On the passenger side floor board under your carpeting and a metal plate where you rest your feet
The computer (ecm) is under the passenger floor board under the carpet. will have to remove medal cover.
There are many places where one could find a replacement Honda Accord floor mat. One could contact Honda directly or contact and official Honda dealership.
It is under the carpet of the front passenger floor board under the glove box. There is a panel back there that you can access and you will see the connector.
Can be a leaking heater core if the fluid taste sweet. Can also be the drain tube for the windshield cowl is stopped up.
in front of the passenger seat under the glove compartment on the floor.
Passanger Side on the floor behind carpet.
Fuel filter?Air filter?Timing belt?
Condensation from air conditioning?
If a Honda Accord is smoking when the gas is pressed down than it is possibly running to rich. The car will need to be checked to see if to much fuel is being fired by the injectors.