Table 1 shows seven common power train related problems of the 2018 GMC Acadia. The number one most common problem is related to the power train (142 problems). The second most common problem is related to the automatic transmission column shift (two problems).
The contact owns a 2018 GMC Acadia. The contact stated that upon parking the vehicle and attempting to turn off the vehicle, the message "shift to park" was displayed while the gear shifter was in park(p). The contact parked the vehicle and turned off the vehicle after several attempts. Read details...
The contact owns a 2018 GMC Acadia. The contact stated that after shifting into park(p), the gear shift indicator showed the vehicle was in park(p) however, while attempting to turn off the vehicle, the "shift to park" warning light remained illuminated. Read details...
Car would shutter on acceleration. Rpm gauge would jump when accelerating or downshift to pass/climb hill. Dealer found problem with torque converter. Metal through out transmission (see attachment for specifics as noted by mechanic) Read details...