See also:

American Petroleum Institute (API) Engine Oil Identification Symbol
This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils. CAUTION! Do not use chemical flushes in y ...

Synthetic Engine Oils
You may use synthetic engine oils if the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. ...

Changing the Volume
1. Start a dialogue by pressing the Voice Command button. 2. Say a command (e.g., “Help”). 3. Use the ON/OFF VOLUME rotary knob to adjust the volume to a comfortable level while the Voice Co ...