See also:

Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government ...

Premium-grade unleaded gasoline
To ensure the longevity and full performance of the engine, only premiumgrade unleaded gasoline may be used. If there is no premium-grade unleaded gasoline available and regular-grade un ...

Setting the center vents in the rear compartment
Example: center vents in the rear compartment with rear control panel 1 Rear-compartment air vent thumbwheel 2 Rear-compartment air vent, right 3 Rear control panel 4 Rear-compartment air vent ...