Honda 1999 Odyssey Owner's Manual page 225

Maintenance Schedule (Normal Conditions)
#: See information on maintenance and emissions warranty, last column, page 223.
Maintenance
U.S. Owners
Follow the Normal Conditions
Maintenance Schedule if the
severe driving conditions
specified in the Severe
Conditions Maintenance
Schedule do not apply.
NOTE: If you only
OCCASIONALLY drive under a
"severe" condition, you should
follow the Normal Conditions
Maintenance Schedule.
Canadian Owners
Follow the Maintenance
Schedule for Severe Conditions.