Engine Compartment Fuse Block (CTS Coupe and Sedan)
The underhood fuse block is located on the left side of the engine compartment.
Lift the fuse block cover to access the fuses.
The vehicle may not be equipped with all of the fuses and relays shown.
Notice: Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.
See also:
Recommended Fuel
Use premium unleaded gasoline with a posted octane rating of 91 or higher. You
can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's
acceleration could be slig ...
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 ...
Starting the Vehicle
1. Aim the Remote Keyless Entry
(RKE) transmitter at the vehicle.
2. Press and release .
3. Immediately after completing
Step 2, press and hold for at
least four seconds or until the
vehicl ...