Kalkhoff IMPULSE EVO RS Notice Originale page 171

6.5.3.2 Assembly 6.5.4 Storage
1. Remove the battery from the pedelec.
2. Store the battery in a dry, not excessively warm room. The battery
should not be exposed to direct sunshine. The recommended storage
temperature range is 18 bis 23 ˚C.
6.5.5 Cleaning
WARNING
Remove the battery before cleaning the pedelec. Accidental activation
of the button can result in severe injuries.
IMPORTANT
Do not clean the pedelec and its components with a water hose or high
pressure washer. Although the components are sealed off, damage
may still result. Clean the bike with a soft damp cloth.
Do not immerse the drive unit or components into water. Damage may
still result even though the components are sealed.
Do not use any cleaners which contain alcohol or solvent, or which
scour. No coarse sponges or brushes may be used either. They leave
scratches and cause the surface to become matt. Clean the bike with a
soft damp cloth.
Original User Guide | Pedelec Impulse Evo RS Version 2 EN-69