Page 147 of 268

2007 Volvo XC90 
Towing a trailer 
The maximum weights recommended by Volvo for trailers with brakes are shown in the table below. 
NOTE: 
l     Recommended hitch tongue load: not more than 10% of the trailer's weight\
. The trailer load should be positioned 
so that it does not shift and the tongue load should be 10% of the trail\
er's weight. However, the tongue load should not 
exceed the maximum permissible weights indicated in the table above. 
l     When towing trailers without brakes, the maximum permissible trailer weight is 1,700 lbs (750 kg).\
 
l     If necessary, redistribute the weight of any cargo in the trailer to avo\
id excessive weight on the trailer hitch. 
l     The maximum trailer weight listed in the table for All Wheel Drive model\
s, 5,000 lbs (2250 kg) is only applicable when 
there are not more than two occupants in the vehicle, in the front seats\
, with a combined weight of 300 lbs (135 kg), with 
no other cargo in the vehicle. 
l     The maximum weight listed for Front Wheel Drive models, 4,000 lbs (1800\
 kg) is only applicable when there are not 
more than four occupants in the vehicle, in the front seats and second r\
ow of seats, with a combined weight of 600 lbs (270 
kg), with no other cargo in the vehicle. 
pg. 138 Starting and driving 
Towing a trailer 
l     Please be aware that the load on the trailer hitch is part of the vehicl\
e's total load carrying capacity. The amount of cargo 
in the vehicle and the trailer must be limited so that the gross vehicle\
 weight and maximum permissible rear axle weight 
(see 
page 209) are not exceeded. 
l     Vehicles used for towing a trailer on a regular basis, or for long-dista\
nce highway towing should be equipped with an 
automatic transmission oil cooler and Volvo's automatic self-leveling sy\
stem for the rear suspension. Consult your Volvo 
retailer. 
l     Volvo recommends the use of Volvo trailer hitches that are specially des\
igned for the vehicle. 
l     All Volvo models are equipped with energy-absorbing shock-mounted bumper\
s. Trailer hitch installation should not 
interfere with the proper operation of this bumper system. 
l     Increase tire pressure to recommended full inflation pressure. See chapt\
er "Wheels and tires." 
l     When your vehicle is new, avoid towing heavy trailers during the first 6\
20 miles (1,000 km). 
l     Engine and transmission are subject to increased loads. Therefore, engin\
e coolant temperature should be closely 
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        Page 151 of 268

2007 Volvo XC90 
Load carrier cover 
The vehicle's ignition key or the stud on the edge of the supplied torqu\
e wrench can be used to undo or tighten the cover. 
Turn a quarter turn (90 degrees). See illustration. 
pg. 143 Starting and driving 
Cold weather precautions 
If you wish to check your vehicle before the approach of cold weather, t\
he following advice is worth noting: 
l     Make sure that the engine coolant contains 50 percent antifreeze. Any ot\
her mixture will reduce freeze protection. This 
gives protection against freezing down to -31°F (-35°C). See sec\
tion "Coolant". The use of "recycled" antifreeze is not 
approved by Volvo. Different types of antifreeze must not be mixed. 
l     Volvo recommends using only genuine Volvo antifreeze in your vehicle's r\
adiator. Your Volvo retailer stocks plenty of 
Volvo engine coolant to protect your vehicle during cold weather. 
l     Try to keep the fuel tank well filled - this prevents the formation of condensation in the tank. \
In addition, in extremely 
cold weather conditions it is worthwhile to add fuel line de-icer before\
 refueling. 
l     The viscosity of the engine oil is important. Oil with low viscosity (thinner oil) improves cold-weat\
her starting as well 
as decreasing fuel consumption while the engine is warming up. For winte\
r use, 5W-30 oil, particularly the synthetic type
1, 
is recommended. Be sure to use good quality oil but do not use cold-weat\
her oil for hard driving or in warm weather. See 
section "Engine oil" for more information. 
l     The load placed on the battery is greater during the winter since the windshield wipers, lighting, etc\
. are used more 
often. Moreover, the capacity of the battery decreases as the temperatur\
e drops. In very cold weather, a poorly charged 
battery can freeze and be damaged. It is therefore advisable to check th\
e state of charge more frequently and spray an 
antirust oil on the battery posts. 
l     Volvo recommends the use of snow tires on all four wheels for winter driving - see section "Wheels and tires."\
 
l     To prevent the washer fluid reservoir from freezing, add washer solvents containing antifreeze (see page 188 for the 
location of the washer fluid reservoir). This is important since dirt i\
s often splashed on the windshield during winter 
driving, requiring the frequent use of the washers and wipers. Volvo Was\
her Solvent should be diluted as follows: 
- Down to 14° F (-10° C): 1 part washer solvent and 4 parts water 
- Down to 5° F (-15° C): 1 part washer solvent and 3 parts water 
- Down to 0° F (-18° C): 1 part washer solvent and 2 parts water 
- Down to -18° F (-28° C): 1 part washer solvent and 1 part water 
l     Use Volvo Teflon Lock Spray in the locks.
NOTE: Avoid the use of de-icing sprays as they can cause damage to the locks.
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2007 Volvo XC90 
Battery 183, 191, 216
Battery - replacing 
192
Battery drain - avoiding 
116
Belt check 
184
Black Box (Vehicle Event Data) 
180
Blind Spot Information System (BLIS) 
145
Blower (fan) 
80
Booster cushion (integrated) 
40
Brake circuit 
127
Brake fluid 
189
Brake system 
48, 127
Bulbs 
194
Bulbs, list of 
211
Bulbs, replacing 
194
C
Capacity weight 
161
Carbon Monoxide - Important Warning
115
Cargo capacity 
210
CD functions 
233
CD Pause 
233
Central locking system - remote control 
105
Changing a wheel 
168
Changing coolant 
184
Check Engine warning light 
48
Child restraints 
31
Child safety 
28
Climate system 
76
Clock 
46
Coat hanger 
96
Cold weather precautions 
143
Compact disc care CD care 
235
Coolant 
188
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