Honda Pioneer 1000 2017 Owner's Manual page 149

Refer to Safety Precautions on page 123.
The rear mudguard lid must be removed to add the engine oil, and
to access the emergency valve and emergency lever.
Removal
1. Lift the cargo bed (page 81).
2. Remove the clips (page 142).
Installation
1. Install the clips and return the rubber cover to its original position.
2. Lower the cargo bed.
UNDER CARGO BED
(SXS1000M3/M3P/M3L)
rear mudguard lid
rubber cover
clips
(SXS1000M5P/M5D/M5L)
clips
rear mudguard lid
rubber cover
clips