⚠
warning Buick
Error Code $$A$$C$$L$$K
Alert for lane changes - warns of vehicles or obstacles in side blind zones when attempting to switch lanes.
? What Causes This
Obstruction detected by sensors on the side mirrors, cross traffic approaching a lane change location rapidly.
✓ How to Fix It
Stop making your lane change if prompted. Adjust headroom for clearer rear visibility. Consider parking nearby temporarily before maneuvering past dangers.
Source: page 243 of the official manual
From the manual
This error code appears in:
Buick Enclave