On vehicles with power door locks, the doors automatically lock when the shift lever is moved out of (P) Park for a vehicle with an automatic transmission.
For a vehicle with a manual transmission, the speed must be greater than 5 mph (8 km/h).
The automatic door locking feature cannot be disabled.
Chevrolet Cobalt Service & Repair Manual. Valve Cover Gasket R&R
1.
Remove the intake manifold cover.
2.
Remove the air cleaner outlet duct.
3.
Disconnect the intake (3) and exhaust
(2) camshaft position actuator solenoid valve electrical connectors,
Fig. 1.
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