You are OVERHEATING. You most likely have an intake or Head gasket problem.
low antifreeze , or faulty coolant sensor .
The coolant level sensor in the coolant reservoir detects the coolant level is low. The coolant system must have a leak in it somewhere. Have a trusted mechanic diagnose it soon before you do damage to the engine.
Good Chance this is caused by a faulty O2 Sensor. I had the engine light stuck on in my 2002 Montana and replaced rear O2 sensor and it turned it off.
Low coolant level.
when u have low coolant
To replace the brake light on a 2000 Pontiac Montana open the trunk to reveal the housing units. Find the lights and pull the bulbs out. Replace the units.
usually when you add coolant light goes off Coolant sensor bad?
Fill your coolant reservoir and the light should turn off. Do it soon or your engine may over heat.
Low coolant? Bad sensor?
Low coolant
there is no reset you have replace the low coolant sensor and flush cooling system and use dexcool coolant.
Refill the reservoir with coolant and the light should go out unless the switch is broken. Where is the temperature sensor for motor? one for computer