2003 BUICK RANDEZVOUS radiator cap

97,500 Miles (162 500 km)
❑Rotate tires. SeeTire Inspection and Rotation on
page 5-51for proper rotation pattern and additional
information.(See footnote @.) (See footnote +.)
100,000 Miles (166 000 km)
❑Inspect spark plug wires.An Emission Control
Service.
❑Replace spark plugs.An Emission Control Service.
❑Change automatic transaxleuid andlter if the
vehicle is mainly driven under one or more of
these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
In hilly or mountainous terrain.When doing frequent trailer towing.
Uses such as found in taxi, police or delivery
service.
❑If you haven’t used your vehicle under severe service
conditions listed previously and, therefore, haven’t
changed your automatic transaxleuid, change both
theuid andlter.150,000 Miles (240 000 km)
❑Drain,ush and rell cooling system (or every
60 months since last service, whichever occursrst).
SeeEngine Coolant on page 5-19for what to use.
Inspect hoses. Clean radiator, condenser, pressure
cap and neck. Pressure test the cooling system
and pressure cap.An Emission Control Service.
❑Inspect engine accessory drive belt.An Emission
Control Service.
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2003 - Rendezvous OM

Part C: Periodic Maintenance
Inspections
Listed in this part are inspections and services which
should be performed at least twice a year (for instance,
each spring and fall).You should let your dealer’s
service department or other qualified service center do
these jobs. Make sure any necessary repairs are
completed at once.
Proper procedures to perform these services may be
found in a service manual. SeeService Publications
Ordering Information on page 7-9.
Steering, Suspension and Front
Drive Axle Boot and Seal Inspection
Inspect the front and rear suspension and steering
system for damaged, loose or missing parts, signs of
wear or lack of lubrication. Inspect the power steering
lines and hoses for proper hook-up, binding, leaks,
cracks, chang, etc. Clean and then inspect the drive
axle boot seals for damage, tears or leakage. Replace
seals if necessary.
Exhaust System Inspection
Inspect the complete exhaust system. Inspect the body
near the exhaust system. Look for broken, damaged,
missing or out-of-position parts as well as open seams,
holes, loose connections or other conditions which
could cause a heat build-up in theoor pan or could let
exhaust fumes into the vehicle. SeeEngine Exhaust
on page 2-29.
Fuel System Inspection
Inspect the complete fuel system for damage or leaks.
Engine Cooling System Inspection
Inspect the hoses and have them replaced if they
are cracked, swollen or deteriorated. Inspect all pipes,
ttings and clamps; replace as needed. Clean the
outside of the radiator and air conditioning condenser.
To help ensure proper operation, a pressure test of
the cooling system and pressure cap is recommended
at least once a year.
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2003 - Rendezvous OM

Programmable Modes.............2-47, 2-48, 2-49, 2-50
Programming Mode
Entering.....................................................2-46
Exiting.......................................................2-51
Programming the HomeLink
®Transmitter...........2-34
Q
Questions and Answers About Safety Belts.........1-23
R
Radiator Pressure Cap....................................5-21
Radio Data System (RDS).......................3-71, 3-82
Radio Messages.....................................3-69, 3-76
Radios..........................................................3-64
Care of Your Cassette Tape Player...............3-108
Care of Your CD and DVD Player................3-109
Care of Your CDs and DVDs .......................3-109
Radio with Cassette and CD.........................3-71
Radio with CD............................................3-65
Radio with Six-Disc CD................................3-82
Rear Seat Audio........................................3-105
Setting the Time..........................................3-65
Theft-Deterrent..........................................3-106
Understanding Reception............................3-108
RDS Messages..............................3-69, 3-75, 3-86
Rear Door Security Locks................................2-10
Rear Hatch Ajar Warning Message....................3-48
Rear Reading Lamps......................................3-17Rear Safety Belt Comfort Guides......................1-40
Rear Seat Audio (RSA)..................................3-105
Rear Seat Entertainment System.......................3-93
Rear Seat Operation......................................... 1-7
Rear Seat Outside Passenger Positions.............1-34
Rear Seat Passengers, Safety Belts..................1-34
Rear Seat Radio Controls...............................3-105
Rear Storage Area..........................................2-41
Rear Window Defogger...................3-26, 3-29, 3-32
Rearview Mirror, Automatic Dimming..................2-31
Rearview Mirrors.............................................2-31
Reclining Seatbacks.......................................... 1-5
Recreational Vehicle Towing.............................4-31
Remote Alarm.................................................. 2-6
Remote Control..............................................3-99
Remote Door Unlock.......................................3-61
Remote Driver Unlock Control...........................2-50
Remote Keyless Entry System............................ 2-5
Remote Keyless Entry System, Operation............ 2-6
Remote Keyless Entry Transmitter Battery Low
Warning Message........................................3-52
Remote Lock and Unlock Confirmation...............2-50
Removing the Captain’s Chairs.........................1-13
Removing the Extended Rear
Convenience Center
.....................................2-43
Removing the Flat Tire and Installing
the Spare Tire
.............................................5-67
Removing the Rear Convenience Center on
Vehicles with the Third Row Stowable Seat
.....2-44
Removing the Spare Tire and Tools
...................5-60
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2003 - Rendezvous OM