Why is my car hard to start when the engine is cold?
Car batteries produce less electrical current when it’s cold, due to the chemical reaction being slower than on a warm day. Cold batteries simply don’t produce the same amount of power as warm batteries, and this effect can lead to starting issues.
How do you reset the security light on a 2004 Oldsmobile Alero?
How to Reset the Security System in Oldsmobile Aleros
- Insert the key into the ignition.
- Rotate the key to the “On” position. Leave the key in that position for 10 minutes.
- Rotate the key to the “Off” position when the security warning light on the instrument panel disappears.
- Start the car as normal.
Why won’t my car start when the engine is warm?
If there’s nothing wrong with your coolant levels, your motor oil, or your battery, and your car still won’t start in hot weather, it could indicate a deeper issue with your engine. Your coolant temperature sensor might be broken, for instance, which means that the engine will “think” it’s hotter than it is.
How do you program a key fob for a 2004 Oldsmobile Alero?
Press and hold both the “Lock” and “Unlock” buttons on the keypad that you would like to program. Continue to hold the buttons until the vehicle’s horn sounds two times, which will take approximately 15 seconds. Repeat this step for each additional keypad that you would like to program.
How do you fix vapor lock?
Pour cold water over the fuel pump and fuel lines while the ignition is in the off position. This will quickly cool down the fuel pump and condense the fuel from vapor back to liquid form, eliminating the vapor lock in the fuel pump and lines.
How do you reset a 2003 Alero?
Reset the Main Engine Computer
- Open the hood of your Alero and secure it with the security bar. Make sure that the key is out of the ignition.
- Disconnect the negative battery cable.
- Wrap a clean towel around the metal clamp on the end of the negative battery cable.
- Replace the negative battery cable.
- Start the Alero.