Chevrolet 2006 Tahoe Specifications download pdf (Page 386)

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101

If you are in an area of extreme cold, where the

temperature falls below −20°F (−29°C), it is

recommended that you use either an SAE 5W-30

synthetic oil or an SAE 0W-30 oil. Both will provide

easier cold starting and better protection for your engine

at extremely low temperatures.

Engine Oil Additives

Do not add anything to your oil. The recommended oils

with the starburst symbol that meet GM Standard

GM6094M are all you will need for good performance

and engine protection.

Engine Oil Life System

When to Change Engine Oil

Your vehicle has a computer system that lets you know

when to change the engine oil and ﬁlter. This is

based on engine revolutions and engine temperature,

and not on mileage. Based on driving conditions,

the mileage at which an oil change will be indicated can

vary considerably. For the oil life system to work

properly, you must reset the system every time the oil is

changed.

When the system has calculated that oil life has been

diminished, it will indicate that an oil change is

necessary. A CHANGE ENGINE OIL message will

come on. Change your oil as soon as possible within

the next 600 miles (1 000 km). It is possible that, if you

are driving under the best conditions, the oil life

system may not indicate that an oil change is necessary

for over a year. However, your engine oil and ﬁlter

must be changed at least once a year and at this time

the system must be reset. Your dealer has GM-trained

service people who will perform this work using

genuine GM parts and reset the system. It is also

important to check your oil regularly and keep it at the

proper level.

If the system is ever reset accidentally, you must

change your oil at 3,000 miles (5 000 km) since your

last oil change. Remember to reset the oil life system

whenever the oil is changed.

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