Honda 1999 Odyssey Owner's Manual page 226

Maintenance Schedule for Normal Conditions (listed by distance/time)
Service at the indicated distance or time, whichever comes first. Do the items in A, B, C as required for each distance/time interval. Follow this
schedule if the severe driving conditions described in the Severe Conditions Schedule on the next page do not apply.
Canadian owners: Follow the schedule for Severe Conditions.
Note:
Check engine oil and coolant at each fuel stop.
Check and adjust valve clearance, cold engine, if noisy.
# : See information on maintenance and emissions warranty, last
column, page 223.
page 260
Maintenance