a) Normal wear and tear of the parts,
b) Incorrect or careless handling and storage,
c) Natural and environmental influences,
d) Incorrect installation, incorrect adjustment and/or incorrect servicing as well as any other misuse,
e) Use of wrong or unsuitable fuels (e.g. biofuels),
f) Incorrect use – this includes any use of the parts outside of commercial vehicles (e.g. in
stationary engines, marine engines and rail transport systems),
g) Modifications of the item’s original form or function.
h) sulphation, overstressing and wear of batteries due to lack of charge as well as for damage caused by improper use and use (e.g. supply instead of starter batteries, faulty installation,
unsuitable accessories) or improper storage (at high or low temperatures without recharging) or deep discharge,
i) damage caused by third parties (e.g. transport damage)