See also:

Gross Combination Weight Rating (GCWR)
The GCWR is the total permissible weight of your vehicle and trailer when weighed in combination. NOTE: The GCWR rating includes a 150 lbs (68 kg) allowance for the presence of a driver. ...

Without The Ignition Key
Special care must be taken when the vehicle is towed with the ignition in the LOCK position. Flatbed towing is the preferred towing method. However, if a flatbed towing vehicle is not available, ...

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