See also:

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

General notes
USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. this device must a ...

Vehicle operation outside the USA and Canada
If you plan to operate your vehicle in foreign countries, please be aware that:  - service facilities or replacement parts may not be readily available.  - unleaded fuel for vehicles w ...