Level Check
WARNING: This page is about a different car, the 2012 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not remove radiator cap for routine coolant level inspections. The coolant level can be checked at coolant reserve/overflow tank.
The coolant reserve/overflow system provides a quick visual method for determining coolant level without removing radiator pressure cap. With engine idling and at normal operating temperature, observe coolant level in reserve/overflow tank. The coolant level should be between ADD and FULL marks.