At Each Fuel Stop
Once a Month
Engine Oil ChangeWashing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight.
Caution
Do not use petroleum-based, acidic, or abrasive cleaning agents
as they can damage the vehicle's paint, metal, or plastic parts. If damage occurs,
it would not be covered by the vehicle warranty. Approv ...
Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably
service General Motors c ...
Engine Oil Change
When the %CHANGE DIC message displays,
have the engine oil and filter changed within the next 1 000 km/600 mi. If driven
under the best conditions, the engine oil life system may not indicate the need
for vehicle service for up to a year.
The engine oil and filter must be changed at least on ...