MG MG3 Owner's Handbook Manual page 196

Coolant Replacement
The engine coolant (anti-freeze and water solution) needs
to be replaced every four years regardless of the distance
the car has travelled. Your MG Authorised Repairer will
replace the coolant at the service nearest to the conclusion
of each four year period.
Emission Control
Your car is fitted with emission and evaporative control
equipment designed to meet specific territorial and legal
requirements. Incorrect engine settings may adversely
affect exhaust emissions, engine performance and fuel
consumption, as well as causing high temperatures, which
could result in damage to the catalytic converters, and
engine.
IMPORTANT
You should be aware that unauthorised replacement,
modification or tampering with this equipment by an
owner or motor vehicle repairer could result in the
manufacturer's warranty being deemed as invalid. In
addition, engine settings must not be tampered with.
MAINTENANCE
Owner Maintenance
Any significant or sudden drop in fluid levels,
or uneven tyre wear, should be reported
without delay. For further information, refer
to an MG Authorised Repairer.
In addition to the routine services referred to previously,
a number of simple checks must be carried out more
frequently. You can carry out these checks yourself and
advice is given on the pages that follow.
Daily Checks
• Operation of lights, horn, direction indicators, wipers,
washers and warning lights.
• Operation of seat belts and brakes.
• Look for fluid deposits underneath the car that might
indicate a leak.
Weekly Checks
• Engine oil level
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