Pontiac 2001 Aztek Owner's Manual page 184

Key Fob Battery Low Warning Message
United States
If you receive this message, the battery in the
remote keyless entry needs to be replaced.
See "Battery Replacement" in the Index for
battery replacement instructions.
2-100
Park Lamp Out Warning Message
Canada
If you receive this message, one or both of the
vehicle's parking lamp bulbs needs replacement.
See "Bulb Replacement" in the Index for bulb
replacement instructions.
United States Canada