What have you learned? Check out the following 3 questions, multiple choice possible.
It is time to change your cabin air filter when:
Your windows keep fogging up.
Your A/C doesn’t work properly anymore.
It smells weird in your car.
Your oil pressure light comes on.
How often should you change your cabin air filter?
At least once a year or every 15.000 km.
Every 2 years or 30.000 km.
Never, there is no need to change a cabin air filter.
Paper does not equal paper. What does MANN-FILTER usually do to reach the highest filter media quality?
Adding of synthetic fibre
Pleating, curing of the paper using heat
Use of activated carbon or nano fibres
Dying of the paper
Check my answers