Materials Added To Engine Oils
Jeep Grand Cherokee / Jeep Grand Cherokee Owners Manual / Maintaining your vehicle / Maintenance Procedures / Engine Oil / Materials Added To Engine Oils
Do not add any supplemental materials, other than leak detection dyes, to your engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives.
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Emissions Inspection And Maintenance Programs
In some localities, it may be a legal requirement to pass
an inspection of your vehicle’s emissions control system.
Failure to pass could prevent vehicle registration.
For states that require ...
Safety
WARNING!
• Improperly inflated tires are dangerous and can
cause collisions.
• Under-inflation increases tire flexing and can result
in over-heating and tire failure.
• Over-inflation re ...