Conditions in Which Remote Start Will Not Work
The remote vehicle start feature will not operate if:
○ The key is in the ignition.
○ The hood or doors are not closed.
○ The hazard warning flashers are on.
○ There is an emission control system malfunction.
○ The engine coolant temperature is too high.
○ The oil pressure is low.
○ Two remote vehicle starts have already been used.
○ The vehicle is not in P (Park).
See also:
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors remotely, i ...
How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure.
WARNING
You can be burned if you spill coolant on hot engine part ...
Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions syste ...