Extreme Cold Weather; Normal Starting- Page 153

2021 Jeep Gladiator Owner's Manual

Table of Contents

GETTING TO KNOW YOUR VEHICLE
GETTING TO KNOW YOUR INSTRUMENT PANEL
WARNING LIGHTS AND MESSAGES
STARTING AND OPERATING
MULTIMEDIA
SAFETY
OCCUPANT RESTRAINT SYSTEMS
SERVICING AND MAINTENANCE
VEHICLE MAINTENANCE
TECHNICAL SPECIFICATIONS
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STARTING AND OPERATING

151

E

XTREME

 C

OLD

 W

EATHER

The engine block heater is a resistance heater 

installed in the water jacket of the engine. It 

requires a 110–115 Volt AC electrical outlet 

with a grounded, three-wire extension cord. Its 

use is recommended for environments that 

routinely fall below -10°F (-23°C). It should be 

used when the vehicle has not been running 

overnight or longer periods and should be 

plugged in two hours prior to start. Its use is 

required for cold starts with temperatures 

under -20°F (-28°C).

NOTE:

The engine block heater cord is a factory 

installed option. If your vehicle is not equipped, 

heater cords are available from an authorized 

Mopar® dealer.

A 12 Volt heater built into the fuel filter 

housing aids in preventing fuel gelling. It is 

controlled by a built-in thermostat.

A Diesel Pre-Heat system both improves 

engine starting and reduces the amount of 

white smoke generated by a warming engine.

N

ORMAL

 S

TARTING

Observe the instrument cluster lights when 

starting the engine.

NOTE:

Normal starting of either a cold or a warm 

engine is obtained without pumping or pressing 

the accelerator pedal.
1. Always apply the parking brake.
2. Press and hold the brake pedal while 

pushing the ENGINE START/STOP button 

once.

NOTE:

A delay of the start of up to five seconds is 

possible under very cold conditions. The "Wait 

to Start" telltale will be illuminated during the 

pre-heat process. When the engine “Wait To 

Start” telltale turns off the engine will automati

-

cally crank.

3. The system will automatically engage the 

starter to crank the engine. If the vehicle 

fails to start, the starter will disengage 

automatically after 25 seconds.

4. If you wish to stop the cranking of the 

engine prior to the engine starting, push the 

ENGINE START/STOP button again.

5. Check that the Oil Pressure Warning Light 

has turned off.

6. Release the parking brake.

CAUTION!

If the “Water in Fuel Indicator Light” remains 

on, DO NOT START the engine before you 

drain the water from the fuel filters to avoid 

engine damage  

Ú

page 424.

4

21_JT_OM_EN_USC_t.book  Page 151  

Detailed Information for 2021 Jeep Gladiator Owner's Manual

Lists of information found in 2021 Jeep Gladiator Owner's Manual - Page 153

  • 1. Always apply the parking brake.
  • 2. Press and hold the brake pedal while pushing the ENGINE START/STOP button once.
  • 3. The system will automatically engage the starter to crank the engine.
  • 4. If you wish to stop the cranking of the engine prior to the engine starting, push the ENGINE START/STOP button again.
  • 5. Check that the Oil Pressure Warning Light has turned off.
  • 6. Release the parking brake.
  • 24. 4 21_JT_OM_EN_USC_t.

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