Do not continue to operate your Nissan Quest if the engine is overheating or the high engine temperature light comes on in your Nissan.
Locate the hood release underneath the dashboard of your Nissan Quest Pull the lever until you hear the Nissan hood pop open. Next, you need to release the hood safety latch at the front of your Quest.
Locate Coolant Reservoir
Locate the coolant reservoir (tank) on your Nissan. This is the location where you add engine coolant reservoir is on a Nissan Quest. On a Quest, the coolant reserver is located on the driver/passenger side of the engine.
Check Nissan Quest Coolant Level
Look at the coolant reservoir tank and note the low and high level. If the level is below the minimum mark you will need to add coolant or your Quest may overheat.
Remove coolant reservoir cap from your Quest.
Add Coolant / Antifreeze
Add engine coolant/antifreeze. Only add colant mix recommended by Nissan.