Transmission
Electronic Range Select (ERS) Mode
ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving downhill or towing a trailer.
The vehicle has an electronic shift position indicator within the instrument panel cluster. When using the ERS mode a number will display next to the L, indicating the current gear that has been selected.
To use this feature:
1. Move the shift lever to L (Low).
2. Press the plus/minus button located on the shift lever, to increase or decrease the gear range available.
See Manual Mode on page 9‑25.
See also:
Before Driving Off-Road
○ Have all necessary maintenance and service work completed.
○ Fuel the vehicle, fill fluid levels, and check inflation pressure in all tires,
including the spare, if equipped.
○ ...
How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure.
WARNING
You can be burned if you spill coolant on hot engine part ...
Under the Hood
General Motors offers a selection of five engines to accommodate a variety of
cargo- and passenger-hauling requirements. Choices begin with a 200-horsepower,
4.3-liter V-6 for the G1500 van. Depen ...





