Other information:
Removal and Installation
Removal of the thermostat would have an adverse effect, causing a lowering
of cooling efficiency. Do not remove the thermostat, even if the engine
tends to overheat.
...
Turn the ignition switch to ACC so the steering wheel isn’t locked.
Place the transaxle shift lever in N (Neutral).
Release the parking brake.
Press the brake pedal with more force than normal since you will have
reduced brake performance.
More steering effort will be required becaus ...