See also:

Airflow selection
Airflow selection ...

Use of engine braking
Remember to make use of engine braking in addition to foot braking. When descending a grade, if only the foot brake is used, the brakes may start working improperly because of brake fluid over ...

Checking the oil level
1) Yellow handle Check the oil level monthly. 1. Park the vehicle on a level surface and stop the engine. 2. Pull out the level gauge, wipe it clean, and insert it again. 1) Upper level ...