At Each Fuel Fill; At Least Once A Month; At Least Once A Year - GMC Cadillac CTS 2004 Owner's Manual

At Each Fuel Fill

It is important to perform these underhood checks at
each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil
if necessary. See Engine Oil on page 5-18 for
further details.
Notice: It is important to check your oil regularly
and keep it at the proper level. Failure to keep your
engine oil at the proper level can cause damage
to your engine not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
®
DEX-COOL coolant mixture if necessary. See Engine
Coolant on page 5-29 for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer tank and add the proper fluid if necessary.
6-10

At Least Once a Month

Tire Inflation Check
Visually inspect your tires and make sure tires are
inflated to the correct pressures. Do not forget to check
your spare tire. See Tires on page 5-58 for further
details. Check to make sure the spare tire is stored
securely. Push, pull and then try to rotate or turn
the spare tire. If it moves, tighten it. See Changing a
Flat Tire on page 5-81.

At Least Once a Year

Starter Switch Check
CAUTION:
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When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough room
around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. See Parking Brake on page 2-35 if necessary.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.