GMC 2003 Savana - Manual (Page 159)

Change Engine Oil Light Security Light
This light is disptajfed
when thg engins ell
ro be ctian^ed.
ff this ilght is Hashing, il jndJcates that the oü levei is
low. When this light is on sleady, it indicates ihe
oil needs lo be changed soon.
Once IhQ engine oil hes been changed, the change
angina oil light rnu?t he reset Until Ü t£ ifieset lhe light
will be displayed when the engine is on. For more
information on reselling the sysiem, see Engtne Πon
pa.ge5-U.
United States Caneda
The light will stay on until lhe engine starts. If lhe light
Hashes, lhe passlocli^ System has antergd a tamper
mode If Ihe vehicle fails lo start, see Passiod^'
on paga 2'19^
It the light comes on contrnjously v/hile driving and
slays on, there may be a problern wilh the Passlncii”
System, Your vehicle will not be protected by
Passlock^', and you should sea your GM daater.
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