Trek 2021 Domane Plus ALR Service Manual Supplement

To charge the Trek 2021 Domane Plus ALR's battery, first locate the charging port on the bike frame. Connect the charger to a power outlet, then insert the charger plug into the bike's charging port. Ensure the charger indicator light turns on, signaling the battery is charging.
The Trek 2021 Domane Plus ALR is designed for versatile use, excelling on both paved roads and light gravel paths, making it ideal for mixed-terrain adventures.
Regularly check the tire pressure using a reliable pressure gauge. The recommended pressure is usually found on the tire sidewall. Adjust the pressure using a pump to maintain optimal performance and prevent flats.
If the motor doesn't engage, check the battery connection and ensure it is properly seated. Verify the battery charge level and inspect the wiring for any visible issues. If problems persist, consult a certified Trek dealer.
It's recommended to have the bike serviced every 6-12 months, depending on usage frequency and terrain. Regular maintenance includes checking the drivetrain, brakes, and motor system.
Yes, the Trek 2021 Domane Plus ALR is designed to be weather-resistant. However, it's important to dry the bike after riding in wet conditions to prevent corrosion and maintain performance.
To adjust the seat height, open the quick-release lever or use an Allen key to loosen the seat clamp. Adjust the seat to the desired height, ensuring the seat post remains within the marked limits, and then secure the clamp.
First, ensure the battery is charged and properly connected. Check the connections to the display for any loose cables. If the display remains unresponsive, consult a Trek service center.
Use a soft cloth and mild soap solution to clean the bike frame. Avoid high-pressure water jets as they can damage electrical components. Dry the bike thoroughly after washing.
Use a high-quality bicycle chain lubricant suitable for the riding conditions. Apply the lubricant sparingly to the chain and wipe off any excess to prevent dirt accumulation.