Automatic Transmission: 4R70W: Notes
WARNING:
On vehicles with electrical air suspension, power to air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. Failure to do so can result in inflation or deflation of air springs, which may cause vehicle to shift during servicing.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.