Upper and lower parts of hood and trunk locks: Lubricate with multipurpose grease.
Bottom protective mastic and cavity preservation: Check.
Seat belts: Check for damage.
Visual check of the bottom / body
With regular maintenance, you should take a look at the varnish and clean the bottom more often.
Lubrication of locks
1. Lubricate locking devices of doors, hood and trunk lid.
2. Lubricate the door locks on the locking pins, hinges and contact surfaces with multipurpose grease.