Self closing all in one tolet seat boxed, hidden screws, how to tighten

It is hidden behind the side panels. You have to remove the rear seats. The panels mostly just pop off. But remove the access panels to find hidden screws. When pull the panel/s, if they don't want to come off with force, mostly there is a screw close by.

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1. Remove the radiator grille. Refer to Radiator Grille Replacement.
2. Loosen only, do not remove, the lower outside hidden headlamp bolt (2).
3. Pull the lamp assembly slightly forward to access the electrical connection.
4. Disconnect the forward lamp harness main electrical connector from the headlamp harness.

1
Headlamp Screws (Qty: 2)
Notice: Refer to Fastener Notice in the Preface section.
Tighten
Tighten the screws to 6 N·m (53 lb in)
2
Headlamp Screw (Hidden)
Tighten
Tighten the screws to 6 N·m (53 lb in)
3
Headlamp Housing Support
Tip
Depress the housing support tab with a flat-bladed tool downward in order to release the headlamp assembly from the support.

1. Remove the radiator grille. Refer to Radiator Grille Replacement.
2. Loosen only, do not remove, the lower outside hidden headlamp bolt (2).
3. Pull the lamp assembly slightly forward to access the electrical connection.
4. Disconnect the forward lamp harness main electrical connector from the headlamp harness.

1
Headlamp Screws (Qty: 2)
Notice: Refer to Fastener Notice in the Preface section.
Tighten
Tighten the screws to 6 N·m (53 lb in)
2
Headlamp Screw (Hidden)
Tighten
Tighten the screws to 6 N·m (53 lb in)
3
Headlamp Housing Support
Tip
Depress the housing support tab with a flat-bladed tool downward in order to release the headlamp assembly from the support.
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need lock washers.

where the hinges sit, use a small screwdriver and prise off the top chrome cover.Under neath are the securing screws for the seat. tighten these carefully until seat is secure, then replace the covers.

When the seat is closed there should be two plastic extensions about one and half inches long, lying flush on the base. Open these with a small screwdriver, like a ****-shell. There should be a regular head screw there and correspondingly underneath the screw, a nylon nut. hold the nut and tighten the screw.

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If the screws don't tighten the either the screw threads are stripped or the attachment nut is stripped. Take the screw and nut to any hmoe repair center and get new ones. remember don't over-tighten then screws as this will crack the unit.

Reach under the bowl of the toilet and feel for a rather large wing-nut bolt on each side of the toilet. You must hold these with your hand and tighten the screws with a screwdriver. If you don't hold these wingnuts, then the screws will keep spinning forever and never tighten. Run your hand directly below the toilet just below the screws and you will find them. VERY EASY FIX!

You don't want to overtighten since you could crack the porcelain. Are your rubber washers in good shape? This will help. You should be able to do this w/out doing any damage.

Open and close lid, listen for 'clicking' sound. If no 'clicking' sound, replace lid switch.
If you have a hidden lid switch (no visible hole around the top where the lid closes) try tightening the screws on the lid hinges.