Notice: One of the reasons you should follow the Short Trip/City schedule, if you operate your vehicle under any of these conditions, is that these conditions cause engine oil to break down sooner.
| • | Most trips are less than 8-16 km (5-10 mi). This is particularly important when outside temperatures are below freezing. |
| • | Most trips include extensive idling and/or low speed operation (such as door-to-door delivery and frequent driving in stop-and-go traffic). |
| • | Most trips are through dusty areas. |
| • | The vehicle frequently tows a trailer. |
| • | The vehicle operates at or near the maximum Gross Vehicle Weight (GVW) ratings. |
| • | The vehicle operates in hilly or mountainous terrain. |