Step-by-Step: How to Do It
-
Start the car and turn on the defroster to begin clearing the windshield.
-
Switch the airflow to recirculate, so the system warms already-warmed interior air instead of pulling in freezing outside air.
-
Set the temperature to high.
-
Once the windshield clears, switch airflow to the floor vents—heat naturally rises, warming the cabin faster.
-
After a few minutes, switch recirculation OFF to prevent fogging and keep fresh air moving through the cabin.
Why This Works So Well
-
Warmer interior air recirculates → faster heating
-
Defroster clears ice quickly → safer visibility sooner
-
Cabin warms faster from the bottom up
-
Less idling → less fuel wasted and fewer emissions
Compared to Traditional Methods
-
Traditional idling: slow, burns fuel, isn’t very efficient
-
Block heaters: great, but require gear and electricity
-
Remote starters: convenient but still rely on idling
-
This trick: uses your car’s built-in system more efficiently with no extra equipment
Safety Tips
-
Always warm up your car outside, never in a garage (even with the door open).
-
Make sure the exhaust pipe is clear of snow or ice.
-
Don’t leave the car running unattended.
-
Keep your heating and ventilation system well-maintained, especially cabin air filters.
ADVERTISEMENT ADVERTISEMENT
