lol thats normal. you can't really do anything to the truck until you put the key in after remote start.
60 sec is not enough time for engine to start making heat @50 deg


with remote start you have to think ahead to when you'll get in again and set the a/c to desired temp. use of 'auto' setting before exiting may help too

 

Read your owner's manual.

 

I found that when I last left the air system in off mode, and did remote start, it still fired up the air.
I did not find that in the owners manual, LOL.

 

Strange... did you have it all on when you turned the truck off or did you turn the knobs to off after you turned the truck off?

 

Normal operation

 

If it’s in Auto with the heat selected when you last shut it off it will run the fan on high when you start it back up when it’s cold outside. Ditto for A/C and it’s hot. My truck does the same thing whenever I start it...remote or key.

Just got a JD Powers survey. Overall, the truck is great. But the auto climate control is going to get blasted due to lack of operator control. Personally, I’d rather have the manual system if GM can’t get the programming right.

 

Any auto system goes full blast at first in efforts to normalize the cabin temperature to the pre-selected temperature. My 5 series did the same thing. You can alleviate this by leaving "AUTO" off when shutting the truck off.

One interesting thing to note is that placing a phone call will slow the fan speed to not drown out the microphone input or speaker output.

 

I always have the ac set on auto, and when I use the remote start the truck knows if hot outside it will crank up the ac and if its cold outside it will put the heater on and warm up the drivers' seat. The thermostat inside the truck takes a temperature reading and figures out if you need the ac or heater depending on what you have you're desired temperature set at.

 

That's normal, especially in cool/cold weather. It's blasting the defrost fan to ensure the windshield is clear/defrosted before you get in but with only 60 seconds of runtime before you got in the remote start was pretty pointless. If you're going to use remote start then it's best to do it 5-10 minutes before you're going to get in so that it has time to cool/heat the cab.

 

Did you really expect there to be heat after running for 60 seconds? The motor is barely warmed up at that point, much less the heater core.

 

Below 50 degrees your heated seats will turn on automatically too, if you have them. >

 

I have not read about this 50 degrees thing anywhere so I don't think that is true, but there is a toggle for the heated seats during remote start in the infotainment settings.

 

A good engineering practice would be not to run the fan until the engine is warm. Not much thought put into control algorithm of the AC controls in my opinion.

 

Of course I know that. That is a given. A good engineering practice would be not to run the fan until the engine is warm. Not much thought put into control algorithm of the AC controls in my opinion.

Your expectations are a bit too high. :grin2:

 

Let's just face it the HVAC system in are trucks is a piece of ****. I have the defrost turned off in the settings and it still turns it on. I normally just use the vent, and turned it off while driving. Then turned the fan back on but the truck decide to turn on the a/c and rec.

 

If a child or pet is locked inside a hot vehicle, in some jurisdictions, it is legal to break the windows to save them.
Perhaps a call to OnStar with the VIN will get a remote start turning on the AC until the owner is located,
and reprimanded.

 

It's in your settings. You can control that fan speed during remote start.

 

I don't think this is true. I have my auto fan setting at low, but it still blasts high on startup, remote or otherwise. I get that it is trying to get the truck to temperature ASAP, but it generally sucks.
I think the auto climate control is horrible. It tries to adjust the temperature too quickly. If it's cold outside and the sun starts warming the cab a degree above the auto temperature, it starts blasting cold air into the cab. I'd prefer an auto system that wasn't so aggressive.
Someone else mentioned that the heated seats come on with remote start, but that is a setting to, and one I like.

 

410 colorado hit it, in your settings you can chose what you want on during remote start.

 

In Denver it’s illegal to leave the vehicle running not attended. Called the “puffer” law.

 

My 2018 ZR2 diesel also has an instant electric heater wired into the system so I get heat right after start up. Don't have to wait for the motor to warm up. Nice feature to have.

 

I'm really not sure what you guys are talking about with auto? I have had my Z71 for three years now and never use auto. I just set the temp and remote start and either the AC turns on when it's hot or the heat and heated seats turn on when it is cold. You don't have to have your truck set to "Auto" for this to work.