Because operating in mud is likely to cause continuous wheel slippage, in which positions should the transfer case lever and transmission lever be placed before operating in mud?
a. Both the transfer case lever and transmission lever should be placed in 4-wheel drive low position before operating in mud.
b. The transfer case lever should be placed in 4-wheel drive low position and the transmission lever should be placed in drive or low gear before operating in mud.
c. The transfer case lever should be placed in 2-wheel drive high position and the transmission lever should be placed in drive or low gear before operating in mud.
d. Both the transfer case lever and transmission lever should be placed in 2-wheel drive high position before operating in mud.