Engine Coolant Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant heater at least four hours before starting the vehicle. An internal thermostat in the plug-end of the cord will prevent engine coolant heater operation at temperatures above −18°C (0°F).
See also:
How to Check Lubricant
2500HD with 6.0 L
All Other Series and Engines
To get an accurate reading, the vehicle should be on a level surface.
• For all 4.3 L, 4.8 L and 5.3 L 1500 Series applications, the proper leve ...
Safety Locks
The vehicle has rear door security locks to prevent passengers from opening the rear doors from the inside.
Open the rear doors to access the security locks on the inside edge of each door.
To set ...
Remote Start Ready
If the vehicle does not have the remote vehicle start feature, it may have the remote start ready feature.
This feature allows your dealer to add the manufacturer's remote vehicle start feature.
See ...