Shimano E8000 left switch for motor assistance control

WARNING
For information on installation, adjustment and replacement of the products which are not to be found in the user's manual, please consult the place of purchase or a distributor. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and save it so that you can refer back to it at any time.
The following instructions should always be followed in order to prevent personal injury, physical damage to equipment and the surroundings. The instructions are classified according to the degree of danger or damage which may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury, or physical damage to equipment and surroundings.

WARNING:
- Do not disassemble or alter the product. This may cause the product to not operate correctly, and you may fall unexpectedly and be seriously injured.
Ensuring Safety
- Follow the instructions below to prevent burns or other injuries due to fluid leaks, overheating, fire, or explosion.
For Safe Riding
- While riding, always pay attention to the surroundings and do not watch the cycle computer display for extended periods. Otherwise you may have an accident.
- Before riding the bicycle, check that the wheels are securely mounted to the bicycle. If the wheels are not securely mounted, the bicycle may topple over and a serious accident may result.
- When riding an electrically assisted bicycle, be sure to fully familiarize yourself with the bicycle's starting characteristics before riding in traffic or pedestrian areas. If the bicycle starts suddenly, this may lead to an accident.
- Before riding the bicycle, make sure that the front and rear lights can be turned on.
Safely Using the Product
- Remove the battery and charging cable before carrying out wiring work or mounting parts to the bicycle. Failure to do so may result in electric shock.
- Do not move the bicycle while charging the battery that is installed on the bicycle. The battery charger's AC plug may become loose and may not be fully plugged into the electrical outlet, posing a risk of fire.
- Avoid touching the drive unit after it has been used continuously for a long period of time. The surface of the drive unit will become hot, and touching it may result in burns.
- Clean the chain regularly with an appropriate chain cleaner. The frequency of maintenance will vary depending on riding conditions.
- Never use alkaline or acidic agents such as rust removers. Using these agents may result in damage to the chain and lead to serious injury.
- Be sure to follow the instructions in the user's manual when installing this product. In addition, it is recommended that only genuine SHIMANO parts are used. If bolts and nuts are left loose or if the product becomes damaged, the bicycle may suddenly topple over and a serious accident may result.
Handling the Battery
- If fluid leaking from the battery gets into your eyes, immediately flush the affected area thoroughly with clean water (tap water) without rubbing your eyes, and seek medical attention immediately. If this is not done, the fluid from the battery may harm your eyes.
- Do not charge the battery in places with high humidity or outdoors. Otherwise, electric shock may result.
- Do not plug in or unplug the plug with wet hands. Failure to observe this may result in electric shock. If water is leaking from the plug, thoroughly dry it before plugging it in.
- If the battery is not fully charged even after 2 hours of the specified charging time has elapsed, immediately disconnect the battery from the outlet and contact the place of purchase. Otherwise, it may overheat, rupture, or ignite. Refer to the user's manual for the battery charger for the appropriate battery charging time.
- Do not use the battery if there are noticeable scratches or other external damage. Otherwise, it may rupture, overheat, or malfunction.
- The operating temperature ranges for the battery are as follows. Do not use the battery at temperatures outside of these ranges.
If the battery is used or stored at temperatures outside of these ranges, fire, injury, or malfunction may result.
1. During discharge: -10 °C – 50 °C
2. During charging: 0 °C – 40 °C

CAUTION:
For Safe Riding
- For safe riding, be sure to follow the instructions in the bicycle's manual.
Safely Using the Product
- Never attempt to modify the system yourself. Doing so may cause problems with the system's operation.
- Periodically inspect the battery charger and adapter for damage, especially to the cord, plug, and enclosure. If the charger or adapter is damaged, do not use it until it has been repaired.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Do not allow children to play near the product.
Handling the Battery
- Do not leave the battery in a place subject to direct sunlight, inside a vehicle on a hot day, or in other hot places. This may result in fluid leakage from the battery.
- If leaking fluid gets on your skin or clothing, wash it off immediately with clean water. Leaking fluid may damage your skin.
- Store the battery in a safe place out of the reach of children and pets.