To keep fuel systems clean, TOP TIER Detergent Gasoline is recommended. See Fuel.
If TOP TIER Detergent Gasoline is not available, one bottle of Fuel System Treatment PLUS, part number 88861013, added to the fuel tank at every engine oil change, can help. Fuel System Treatment PLUS is the only gasoline additive recommended by General Motors. It is available at your dealer.
Fuels in Foreign Countries
Filling the TankExterior Lighting
The exterior lamp control is on the instrument panel to the outboard side of
the steering column.
O : Briefly turn to this position to turn the automatic light control off or
on again.
AUTO: Turns the headlamps on automatically at normal brightness, together with
the following:
Parking ...
Power Steering System Description and Operation
The power steering system reduces the amount of effort needed to steer the vehicle.
The system uses the powertrain control module (PCM), body control module (BCM),
power steering control module (PSCM), discrete battery voltage supply circuit, steering
shaft torque sensor, steering wheel positi ...
Fuel System Cleaning
Note: If the fuel filter is plugged, the fuel tank should be inspected
internally and cleaned if necessary.
Drain the fuel tank. Refer to
Fuel Tank Draining.
Remove the fuel pump module assembly. Refer to
Fuel Tank Fuel Pump Module Replacement.
Inspect the f ...