Other information:
The system may automatically shut off and the CMBS™ indicator will come on
under
certain conditions. Some examples of these conditions are listed below. Other
conditions may reduce some of the CMBS™ functions.
Environmental conditions
Driving in bad weather (rain, fog, snow, etc...
Fuel recommendation
Unleaded gasoline, pump octane number 87 or higher
Use of lower octane gasoline can cause a persistent, heavy metallic knocking
noise
that can lead to engine damage.
Top tier detergent gasoline
Because the level of detergency and additives in gasoline vary in the market,
Honda
endorses the use of “TOP TIER Detergent Gasoline” where available to help
maintain the performance and reliability of your vehicle...