<human>:  How do I clean and maintain my car engine?
<bot>: To clean and maintain your car engine, you should start by checking your owner's manual to find the best way to clean and maintain your engine. You may need to use specific cleaners and lubricants to keep your engine running properly. After you have cleaned and lubricated the engine, make sure to check the oil and coolant levels to make sure they are at their optimal levels. If your engine is overdue for an oil change, be sure to get this done promptly. In addition, you should inspect the hoses and belts for any wear and tear and address any issues if necessary. Finally, you may want to perform regular maintenance on your engine to ensure that it runs efficiently and safely.