Honda GL1800D Owner's Manual page 245

California Proposition 65 Warning
Operating, servicing and maintaining a passenger vehicle
or off-road vehicle can expose you to chemicals including
engine exhaust, carbon monoxide, phthalates, and lead,
which are known to the State of California to cause
cancer and birth defects or other reproductive harm. To
minimize exposure, avoid breathing exhaust, do not idle
the engine except as necessary, service your vehicle in a
well-ventilated area and wear gloves or wash your hands
frequently when servicing your vehicle. For more
information go to
www.P65Warnings.ca.gov/passenger-vehicle.