Engine Coolant - Chevrolet 2006 Optra Owner's Manual

How to Check and Add Fluid
You do not need to check the fluid level unless you
suspect a clutch problem. To check the fluid level, look
on the side of the reservoir. If the fluid reaches the
MAX (A) mark on the reservoir, the fluid level is correct.
The reservoir is located near the back of the engine
compartment on the driver's side of the vehicle.
See Engine Compartment Overview on page 5-12 for
more information on location.
5-20

Engine Coolant

The following explains your cooling system and how to
add coolant when it is low. If you have a problem
with engine overheating, see Engine Overheating on
page 5-23.
A 50/50 mixture of clean, drinkable water and proper
coolant will:
Give freezing protection down to −34°F (−37°C).
•
•
Give boiling protection up to 265°F (129°C).
•
Protect against rust and corrosion.
•
Help keep the proper engine temperature.
•
Let the warning lights and gages work as they
should.