top of page
Unit 24   
2012 Chevrolet G-3500,   Gross Vehicle Weight 9,400 lbs,  Height Clearance 9 Feet
Fuel Capacity 31 Gallons,   Range 350/400 Miles,  Towing Capacity - None 

Vehicle Features

  • Built in engine block heater. (Cord located under hood in engine compartment)

  • Built in automatic charging system  (Cord connection on driver side behind driver door on exterior)

  • Cold Weather Grill Cover

  • 4 Wheel Anti-lock Brakes

  • GM Stability Control

  • All Terrain Tires

  • Automatic Headlights

Handling Dynamics:

  • ABS:  Hold firm pressure in a emergency stop and keep holding, the pedal may travel to the floor.                                  Let the ABS system manage the stop.  DO NOT LET OFF THE PEDAL.

  • Stability Control:  If the vehicle begins to skid steer in the desired direction and hold the brake pedal.

  • Center of Gravity:  This is a tall vehicle, turns and ramps can pose a significant risk of vehicle roll over.                                              Exercise caution with any high profile vehicle.

  • Height:  (9 feet) Do not enter a Drive-Thru, or area with an awing with clearance less than 10 feet.  

  • Acceleration: (2 Wheel Drive) This vehicle is equipped with a powerful Diesel engine.                                                                                 Exercise caution when on wet or slippery surfaces.                                                                                                                                         Vehicle is equipped with a limited slip rear differential and is NOT equipped with traction control. 

Operation Basics:

  • Starting:  If the vehicle is warm there is no need to wait for a glow plug light, start vehicle normally.

  • Cold Starting:  Turn key to ON and wait for glow plug light to turn off, then start vehicle.

  • Winter Starting:  Plug in block heater below 20 degrees, wait for glow plug light. (DO NOT USE ETHER)

  • Shut Down: Allow engine to idle for approximately 60 seconds to allow the turbo to cool before shutdown.

  • Cleaning DPF Filter: Refer to instructions above driver side visor.

  • Tow / Haul Mode:  Use when towing a large trailer such as the Atlas or Camper.

  • Powering the "mod":  Master switch on center console (top left) powers all module systems.

  • Patient heat/cool:  Patient heat cool switch located on front center console bottom row.

  • Patient heat/cool adjustment:  Thermostat located in mod by work counter & fan control speed switch

  • Emergency Lights:  Top row center console

  • Scene Lights:  Bottom row center console

  • Back up alarm: Override has been disabled the switch is not connected so the alarm cannot be turned off.

  • Patient Lights:  Switches located above the work counter on the control panel.

  • On Board Suction: Switch located above the work counter as well as suction control dial.

  • Inverter Control:  Switch located on work counter control panel (Should always remain on, turns off with truck ignition switch)

  • 120v AC Power:  Available when inverter is on or truck is plugged into shore power.

  • Trailer Brake Controller:  Vehicle is equipped with an electric trailer brake controller.  (Training certificate required)

Ambulance Center Console:

Master: Controls all power for module accessories such as the inverter, emergency lights and module control panel.

Primary: All red and white flashing lights mounted to the truck, used when the vehicle is in motion running emergency.


Secondary:  All red lights continue to flash but all white lights are disabled as required by DOT regulations. 

Light Bar:  Controls the light bar ON/OFF

DOT Regulation:  Flashing white lights cannot be displayed when an emergency vehicle is parked.  Turn off the light bar and set Primary/Secondary to "Secondary"  when staging or parked on a roadway   ex:  vehicle crash or fire standby.

Flood:  Scene lights.

Patient Heat/Cool: Master for rear heat and AC.

Back up alarm override:  DISABLED

This vehicle is equipped with a very simple control system:  

The Master is powered on and off by the vehicle ignition.  There is no need to turn the master off unless there is no need for power, inverter or Wifi in the vehicle.  To operate the emergency lights each switch for the primary lights and light bar need to be turned on individually.  The only switch for heat and AC in the patient compartment is located on the center console.  Temperature and fan speed are controlled at the rear control panel by the attendant seat. 


Siren operation is similar to most sirens and it is the crews responsibility to be familiar with its operation: 

The red switch is the siren master, rotate the dial to the desired wail setting.  The HORN/SIREN switch changes what the horn does on the steering wheel.  In Siren setting it changes the tone of the siren when the horn is pressed.  In Horn setting the vehicle horn will activate.  The switch should remain in horn setting when not driving emergency so the vehicle horn functions.

Rear Door Patient Compartment:

  • Long board under bench & driver  side slot.

  • Stair chair / splint storage left rear side.

  • Oxygen ports

  • Supply cabinets

  • Oxygen tank

  • Fire extinguisher


Bench Seat Storage:

  • Linens

  • Board Splints

  • KED Board

  • Scoop Stretcher

  • Built in trash can

  • Built in sharps container.

  • Storage door on front of bench seat.




Side Door Patient Compartment:

  • Cardiac monitor shelf

  • Module control panel

  • Glove holder on door

  • Misc Cabinets and Storage.

  • WiFi Module


Under Attendant Seat Storage:

  • OB Kit

  • Bio Bags

  • Urinal

  • Bed Panulkhead floor cabinet / tools / towing

Bulkhead Floor cabinet:

  • Towing equipment

  • Jumper cables

  • Tool box

  • Tools

D.I.C.  (Driver Information Center)

This video will show a brief overview of the D.I.C. in a Chevrolet Truck. 

The gauges are different but the operation and functions of the buttons are identical.  

Staff is not authorized to make changes, or modify any settings in the D.I.C..  Only the top two buttons should be utilized.

Utilize Only:

Trip Fuel Button

Vehicle Information Button

Set/Reset Button

MPG can be cleared if you so desire.

Trip Odometer can also be reset as desired to track mileage.

T.P.M.S.  (Tire Pressure Monitor System)

This vehicle is equipped with 4 wheel TPMS system.  You can use the D.I.C. to scroll through the menus to find tire pressures.

If the light is illuminated check the system and add air to the effected tire as needed.

Cold Weather Staging

This vehicle is equipped with a fully automatic engine temperature management system. In very cold weather while parked the RPM's will vary depending on outside temperature and engine temperature.  RPM range is from 600 to 1100, this is totally normal.


High Idle: *Set parking brake just enough for the red brake light to come on.  Press the cruise control + button also known as the set button.  Pressing +/SET will increase the engine RPM's to 1200 until cancelled by pressing cancel or the brake pedal.

*Avoid setting the parking brake in extremely cold temps as it may freeze in the ON positon. Just press the pedal far enough to get the red brake light to come on.

Cold Start: Approximately 45 seconds after cold start the computer will idle up the engine as part of a warm up program.


Winter Grill Cover:  (If Equipped) Grill cover should be opened if temps are above 30 degrees and closed if below 30 degrees. This cover blocks airflow to the radiator, monitor engine temps while driving if the engine exceeds 210 the cover needs to be opened or removed from the grill completely.  (It is your responsibility monitor all engine gauges)  

Cold Starting / Cold Storage Starting:

Unplug the block heater before attempting to start the truck,   (Cord located on front grill)                                                              Cranking the truck with the block heater hot and operational could potentially cause the block heater to crack and fail. 

Keep the truck plugged in while cranking to allow for supplemental power from the charger to help maintain the batteries.


To Start: 

1. Follow instructions above

2. Turn on key

3. Wait for GLOW PLUG light to turn off.

4. Start engine.


Repeat procedure twice.

Call for help.


Cold Weather Fuel Treatment:  (EVERY TANK OF FUEL)

1 oz. of treatment per 3 gallons of fuel (approximate)   31 gallon fuel tank.

Add 10 oz to this vehicle at every 1/4 tank fill up. 


Funnel located inside tool compartment. 

Please contact an officer for direction if you are not comfortable adding this treatment. 

Diesel Particulate Filter "DPF"  &  WATER IN FUEL WARNING

This vehicle is equipped with a Diesel Particulate Filter as part of its emissions system. 

This emissions system is prone to clogging when the engine is allowed to idle for extended periods of time.

When the system senses a problem it will activate the "D.I.C. instructing the driver to "Clean Exhaust Filter"

Follow the instructions above the driver side visor, if you cannot perform a cleaning cycle the vehicle must be shut down.


"Limp Mode" is a fail-safe setting that limits vehicle speed to 25 mph and and requires dealer service to reset.


Call for assistance immediately.  Catastrophic engine and fuel system failure could result driving the vehicle with this warning on the dash. 


There are two small drains under the vehicle that should be checked or cracked open to check for water. Opening these drain will release any water from the fuel system if in fact water is present in the system.


Engine Compartment.

Do not add fluids to any system without the permission and guidance of and officer or authorized mechanic.

Engine:  6.6 Litre DuraMax Diesel


Find 120v shore power or a generator and plug it in.


Use block heater and glow plugs, never use ether on this engine.

#2 PUMP DIESEL FUEL ONLY (Winterized / Seasonal)

Do not use off-road fuel or fuel from any source other then a fuel station.


Fuel supplies from reputable supplies are winterized and do not need treatment of any kind. 

If there is a risk of fuel related issues or cold weather fuel related problems, contact an officer.



No 120v power inside the truck:  There is a main breaker for the inverter and short power in the bottom of the counter cabinet.            The cabinet has a false bottom, remove all supplies lift up the bottom of the cabinet and check/reset the breaker

Truck is not charging and has no power inside:  Plug the truck into short power or refer to the issue above.

Lights and accessories do not work in patient compartment.   Turn on the MASTER and the ignition switch.

Horn does not work: Check center console and make sure HORN/SIREN switch is set to HORN.

Headlight won't come on automatically:  Set light switch to AUTO or ON

Power door lock on passenger side cargo door not working:  Typical GM issue with corrosion.  Enter thought the back and unlock door.

No Oxygen at flow meter:  Turn on main O2 in rear of patient compartment by bench seat.

No Heat/AC in patient compartment: Turn on PATIENT HEAT/COOL switch on front center console.

Flat Tire:  Call road service after speaking to an officer or supervisor. (This vehicle does have a spare tire.)

Common Parts Guide:

Oil  15W-40 Full Synthetic  (Shell Rotalla T-6)

Oil Filter: Wix 57202XP 

Fuel Filter: Wix 33837 (Kit)  / AC Delco TP3013 (Filter Only)

Air Filter Wix 49154 / AC Delco A2959C

Wipers: Bosch 22A /  Trico 22

Hastings     Number          Qualifiers

Lube            LF524 

Air                AF2403 

Cabin Air     N/R 

Fuel             FF1291          (Upgrade)


Oil:  10 Quarts with filter.  (Full Synthetic)   Summer: 15W-40  Winter: 5W-40 

Oil Service:  Every 5000 miles or 400 hours,

Fuel Filter:  D.I.C. Notification.  (Change Fuel Filter Notice)

Air Filter: Every 15,000 miles

Blinker Fluid:  When needed

Tire Pressure:  Front 65 lbs.  /  Rear 85 lbs.

Washer fluid can be added by staff, Rain-X is the preferred brand.

bottom of page