Be sure the exhaust system does not leak.
If you hear a change in the sound of the exhaust or if you drive over something that strikes the underneath side of the vehicle, have the exhaust system checked as soon as possible by an authorized Kia dealer.
Engine exhaust
Do not inhale exhaust fumes or leave your engine running in an enclosed area for a prolonged time. Exhaust fumes contain carbon monoxide, a colorless and odorless gas that can cause unconsciousness and death by asphyxiation.
Open liftgate
Do not drive with the liftgate open. Poisonous exhaust gases can enter the passenger compartment. If you must drive with the liftgate open proceed as follows:
-
Close all windows.
-
Open side vents.
-
Set the air intake control at "Fresh", the air flow control at "Floor" or "Face", and the fan at the highest speed.