P. Fay 
2018 Toyota Tundra CrewMax Cab Limited 4dr CrewMax SB (5.7L 8cyl 6A)
Need Locking Rear Differential
 Rear end does not have a locking differential, driving one one wheel drive. Needs Keep Lane Assist,   many safety features they have in cars they don't have all in the new trucks with full braking assist.