Honda 1999 Odyssey Owner's Manual page 187

Service Station Procedures
Oil Check
Check the engine oil level every time
you fill the vehicle with fuel. Wait a
few minutes after turning the engine
off before you check the oil.
1. Remove the dipstick (orange
handle).
Before Driving
DIPSTICK
2. Wipe the dipstick with a clean
cloth or paper towel.
3. Insert it all the way back in its tube.