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19. RECOMMENDED LUBRICANTS
Engine
In order to promote longevity and reliability, strict adherence
to the specified lubricants is vital. It is a false economy to use
cheaper, lower quality oils, which may degenerate to a level pro-
viding inadequate protection before the next scheduled service.
High oil consumption may also result.
For topping up purposes during the running-in period prior
to the First After Sales Service, the recommended lubricant is
Havoline Ultra 5W/40 semi-synthetic. If this is unavailable, a top
quality semi-synthetic 5W/30 or 5W/40 oil should be used.
At the First After Sales Service and completion of the running-
in period, a fully synthetic oil should then be used throughout the
life of the vehicle. A top quality fully synthetic 5W/40, such as
'Havoline Synthetic' is suitable for all climatic conditions likely
to be encountered, and provides ease of cranking, smooth cold
running and fuel economy at low temperatures, in combination
with good wear protection at elevated temperatures and at high
engine speeds. If the vehicle is to be driven hard in very high
ambient temperatures, or used on a race track (see Warranty
Booklet section 2 'Intended Purpose'), the recommended fully
synthetic engine oil is Castrol Edge 10W/60.
NOTICE
Lotus recommends against the use of any oil ad-
ditives, the use of which may invalidate the terms of the New
Vehicle Warranty.
'Severe Service' Conditions
Certain operating conditions can cause rapid degradation of
the engine, transmission and power assisted steering (PAS) oil
quality, either by the accumulation of dirt particles, or by the
absorption of water from condensation. If any of the 'severe
service' conditions described below apply, it is recommended
that the oil and filter be changed twice as frequently as is listed
in the Maintenance Schedule.
• Driving in dusty areas (e.g. on unmetalled roads); Change
the oil and filter as soon as possible after driving in a dust
storm.
• Stop/start driving with frequent short trips where the engine
rarely warms up thoroughly (especially in cold weather/cli-
mates); and/or frequent or prolonged idling.
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