Key and Lock Messages
Cadillac CTS / Cadillac CTS Owners Manual / Instruments and Controls / Vehicle Messages / Key and Lock Messages
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Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is
designed to operate on fuels that meet California specifications.
See the underhood emission control label. If this fuel i ...
Engine Oil Change
When the CHANGE ENGINE OIL
SOON 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 migh ...






