Mazda 6 Service Manual: No.19 exhaust smoke

No.18 cooling system concerns-runs cold

No.20 fuel odor (in engine compartment)

Other materials:

Mazda 6 Service Manual: Cleaning the Floor Mats
Rubber floor mats should be cleaned with mild soap and water only. WARNING Do not use rubber cleaners, such as tire cleaner or tire shine, when cleaning rubber floor mats: Cleaning the rubber floor mats with rubber cleaning products makes the floor mats slippery. This may cause an accident whe ...

Mazda 6 Service Manual: Inspecting Coolant Level
WARNING Do not use a match or live flame in the engine compartment. DO NOT ADD COOLANT WHEN THE ENGINE IS HOT: A hot engine is dangerous. If the engine has been running, parts of the engine compartment can become very hot. You could be burned. Carefully inspect the engine coolant in the coola ...