Remote Vehicle Start - GMC Sierra 2500 HD 2024 Owner's Manual

3. Remove the battery cover.
4. Pull the seal by pulling on the tab to
access the battery.
5. Remove the old battery. Do not use a
metal object.
6. Insert the new battery, positive side
facing up. Replace with a CR2450 or
equivalent battery.
7. Place the seal back into the groove
around the battery compartment.
8. Replace the battery cover by snapping it
back into the remote key.
9. Reinsert the mechanical key.

Remote Vehicle Start

If equipped with the remote start feature,
the climate control system will come on
when the vehicle is started remotely,
depending on the outside temperature.
The rear defog and heated and ventilated
seats, if equipped, may also come on. See
Heated and Ventilated Front Seats 0 54. To
view available settings from the
infotainment screen, touch Settings >
Vehicle > Comfort and Convenience.
If equipped, the automatic heated steering
wheel may also come on. See Heated
Steering Wheel 0 105.
Laws in some communities may restrict the
use of remote starters. Check local
regulations for any requirements on remote
starting of vehicles.
Do not use remote start if the vehicle is low
on fuel. The vehicle may run out of fuel.
The vehicle cannot be remote started if:
The remote key is inside the vehicle or if
the key is in the ignition.
The hood is not closed.
There is an emission control system
malfunction and the lamp is on.
Keys, Doors, and Windows
The ignition is in any mode other
than off.
The hazard warning flashers are on.
The 30 minutes of engine run time have
been used.
The vehicle is not in P (Park).
The engine will turn off during a remote
vehicle start if:
The coolant temperature gets too high.
The oil pressure gets low.
The remote key range may be reduced
while the vehicle is running.
Other conditions can affect the performance
of the remote key. See Remote Key 0 15.
Starting the Engine Using Remote Start
Press twice on the remote key. The turn
signal lamps will flash. The lamps flash to
confirm the request to remote start the
vehicle has been received. During the
remote start the parking lamps will remain
on as long as the engine is running.
The engine will shut off after 15 minutes or
after the remainder of the 30 minute total
running time is used, unless you stop the
remote start before engine running has
completed or the vehicle is turned on.
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