Cadillac XT5 2017 Owner's Manual page 305

304 SERVICE AND MAINTENANCE
Additional Maintenance Every
150 000 km
Spark plugs replace.
Additional Maintenance Every
250,000 km or Five Years
The following items should be carried
out every 250 000 km or five years
(whichever occurs first):
Engine cooling system drain and
refill.
Visually inspect accessory drive
belts for fraying, excessive
cracking, or damage; replace,
if needed.
Conditions Requiring More Frequent
Maintenance (Severe Service)
Extreme temperatures.
Heavy city traffic.
Hilly or mountainous terrain.
Dusty, muddy, or off-road
conditions.
Commercial use or trailer towing.
Most trips less than 6 km.