Manual Gear Range Selection
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
This application does not utilize manual forward gear ranges.
Reverse
Perform the following test using a 10 - 15 percent throttle position.
- With the vehicle stopped, move the gear selector to REVERSE.
- Slowly accelerate the vehicle.
- Verify that there is no noticeable slip, noise or vibration.
Driver Shift Control (DSC)
Refer to the owner's manual for specific instructions on the type of DSC available in this application. Utilize the DSC to ensure that the transmission responds appropriately to driver's commands. The TCM will protect from any downshift which may cause excessive engine RPMs.