2003 Saturn Ion: The directional signals are silent when blinking on the panel and when the headlights are left on when the ignition is turned off the alarm doesn't go off. is this a fuse problem

SOURCE: 2003 Saturn Ion will not start. Security lock is on.

You can do a 30 min relearn that should allow your car to start. 12185916466 call me!

SOURCE: saturn ion blower motor

lower settings as far as speeds for your blower motor go through a resister block to reduce the voltage your blower motor receives to make it turn slower. If it turns slow on high you would have to check the voltage at the blower motor, should be the same voltage that would be at the battery. There could also be material in the blower motor fan like things a mouse could have put there. Causes the fan to spin slower and also blocks the fins from pushing air. Any strange noises would be heard unless you have had the prob since you owned it and could not detect any changes. It could be even full of stuff and still
be in balance. but it could be a few other things.

SOURCE: where is 2003 saturn ion thermostat?

FACEING the ENGINE It is At TOP RIGHT SIDE Close to Master Cylinder takes About 1 hour to Replace Have Fun its a EASY One
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1. Drain the cooling system.
2. Remove the bolts that secure the thermostat housing to the water pump feed pipe.

1. Remove the thermostat and retaining sleeve, noting the orientation for installation.

1. Install the feed pipe that connects the thermostat housing to the water pump.Notice: Refer to Fastener Notice in Service Precautions.
   
   
   1. Install the bolt that secures the water pump feed pipe.
   • Tighten the bolt to 10 Nm (18 inch lbs.) .
   1. Fill the cooling system.

SOURCE: Oxygen sensor location on a 2003 Saturn Ion-1

One is front of the cat, and one after the cat of the exhaust.
The OBD Scanner should tell you which bank is producing the error.
Bank one is the front one.

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SOURCE: 2004 SATURN ION Alarm goes off without being armed.

if you have a sunroof, the sunroof drains are clogged. either way you may have a bad door switch. you will have to pull each one out and look for corrosion at the plug. the fronts are most common, they are on either side of the dashboard.