Volvo 2003 C70 Operation And Care Manual page 31

Batteries
Each remote transmitter is powered by a three-volt battery, type CR 2016. If the range of the transmitter is noticeably
reduced, this indicates that the battery is weak and should be replaced.
Replacement: Remove the battery cover on the back of the transmitter with a coin. Replace the battery. Reinstall the
cover, making sure it is secured tightly to help protect the transmitter.
CAUTION: Do not attempt to service or repair any components of the alarm system yourself. This should only be
done by an authorized Volvo retailer.
pg. 47 Front seats
Electrically operated seats with memory function
1 Lumbar support
2 Strap for controlling front seat for rear seat passengers
3 Backrest release control lever
4 Power seat control panel
Power seat control panel
A-seat front (raise/lower), B-forward/rearward, C-seat rear (raise/lower), D-backrest tilt
WARNING!